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 une écriture plus simple des expressions 2011-01-13 jessie pose la question :trouver une écriture plus simple des expressions suivantes sachant que : x + y = 3 et x - y =-2 A=x-1+y+2             B=x-1+y-2 C=x+1+y+2            C=x+1+y-2 Claude Tardif lui répond. Two expressions for the perimeter of a a rectangle 2018-05-13 Slayde pose la question :A rectangular house has one side 4 metres longer than the other. Create two different expressions for its perimeter. The expressions should be given in factorised and expanded form.Penny Nom lui répond. 3 over "x" plus 5 2015-02-23 Kenny pose la question :3 over "x" plus 5. I don't know this is either a polynomial and if so how would you define it.Harley Weston lui répond. Four less than three times a number is 14 2010-04-16 David pose la question :My daughter has two questions that we could use some help with. First ? Four less than three times a number is 14 Secound? The quotient of -15 and wPenny Nom lui répond. The whole number that precedes a number w+3 2009-01-17 Morgan pose la question :write a variable expression for "The whole number that precedes a number w+3"Penny Nom lui répond. Algebraic fractions 2008-10-06 Kayla pose la question :(x^2-9)/x times (x^3-4x)/(x^2+5x+6)Harley Weston lui répond. The square root of a fraction 2008-08-24 Lauren pose la question :How do you solve square roots of fractions? Does the format change if it is either a proper or an improper fraction? Ex. the square root of 1/4 or the square roots of 80/25Penny Nom lui répond. 1/3-5/6=1/x, solve for x 2008-05-01 Lavada pose la question :1/3-5/6=1/x How do I solve this problem.Penny Nom lui répond. Simplify 5x^5/8 / 15x^2/12 2008-04-18 Kyler pose la question :5x^5/8 / 15x^2/12 Divide the rational expressions. Simplify the results.Penny Nom lui répond. How would I graph: x - 2 divided by x^2 - 4? 2008-03-19 Sean pose la question :How would I graph: x - 2 divided by x^2 - 4 using a method in extreme values of functions or completing the square x - 2/ x^2-4Stephen La Rocque lui répond. Simplifying square roots 2007-12-19 Ciara pose la question :How would you calculate 2 to the square root of 8 plus 4 to the square root of 2 minus 5 to the square root of 2?Stephen La Rocque lui répond. Subtracting rational expressions 2007-10-09 Pamela pose la question :Subtract: ```6p – w __ 4c + p w – 4 w – 4 ```Stephen La Rocque lui répond. Variable expressions - part 2 2007-09-04 lisa pose la question :how do I write a variable expression for word phrase example x less than = 2 or 2 less than p 4 fewer than job please helpPenny Nom lui répond. Variable expressions 2007-09-04 Eric pose la question :how so i write a numerical or variable expression for each quantity. example two dozen eggs or d dozen eggs number of quarts ub a 3 gallonsPenny Nom lui répond. Adding and Subtracting Rational Expressions 2007-03-21 Pricilla pose la question :Pricilla I do not know how to do this problem. Don't know where to start. [(5)/(2x-8)]+[(3x^2+15)/(x^3-4x^2+5x-20)]Stephen La Rocque lui répond. Simplifying exprressions 2006-11-06 Jessica pose la question :-21(a+2b)+14a-9b Stephen La Rocque lui répond. How do you write a variable expression 2006-10-11 Josh pose la question :How do you write a variable expression for the following: The amount of money Waldo has if he has \$10 more than Joe and How much weight Kirk can lift if he lifts 30 lbs more than his brother.Stephen La Rocque lui répond. Rational expressions 2005-11-15 Zach pose la question :I can solve easy problems such as (x/2)+3=2+(3x/4). That is easy because the Lowest Common Denominator is 4. But what really gets me stuck is a problem like this one. (6/x-2) = ( 21/(x-2)(x+2) )+ 1.Penny Nom lui répond. Coefficients, constants and like terms 2005-10-05 Elizabeth pose la question :In the equation -8y+6ab+7-3ab what are the coefficients; the like terms and constants?Penny lui répond. A rational arithmetic expression 2005-09-14 Vijay pose la question :How to simplify following Grade 9 math problem: (4/-9) X (-21/-32) X (-3/14)Penny Nom lui répond. Rational expressions 2004-09-24 A student pose la question :In general, I understand rational expressions except when it comes to solving problems such as: x+y/2x-y - 2x/y-2x or m-4/3m-4 + 3m+2/4-3m I am confounded by the issue of having to find a common denominator. For example, if I tried to solve these problems by multiplying both denominators they would still be uncommon.Claude Tardif lui répond. Rational expressions 2004-04-06 Shivani pose la question :I am in 11th grade Honors Algebra II. We are currently learning about adding and subtracting rational expressions. I looked at the other questions that were similar to that of mine, but they weren't quite answering my question. I have been working on many problems to practice and see if I can come up with the correct answer, but I can't, I got like 2 out of every 7 right on my school homework. I get the easy ones, where when you have to find the LCD, it's just the other denominator. But, on others you have to really think about it. Those are hard. Here are some of the problems that I cannot get at all: (x2 - 3x + 1)/(x2 - 4) - (x2 + 2x +4)/(2 - x) - (x - 4) /(x - 2) The correct answer is: (x3 + 4x2 + 7x + 17)/(x2 - 4)Penny Nom lui répond. Subtracting rational expressions 2003-05-10 Simone pose la question :hi, i'm totally lost. i understand that you need to find a lowest common denominator to subtract two fractions (rational expressions) with different denominators. but what if the denominators are "x-1" and "x". is x the common denominator? if so what happens to the "-1"? do you know of any live online help i can get with the following: 3/(x-1) - (1-2x)/x i've looked through my notes and have no examples that quite match that i can follow to get through it. please help!Penny Nom lui répond. Excluded values 2003-02-22 Josh pose la question :Why do you think it is necessary to include the "excluded values" when you write your answers to rational expressions?Penny Nom lui répond. Rational expressions 2003-01-22 A student pose la question : // = the main fraction line 1.) a+1/a-1 + a-1/a+1 // a+1/a-1 - a-1/a+1 2.) 2/a(squared)-3a+2 + 2/a(squared)-a-2 // 2/a(squared)-1 + 2/ a(squared)+4a+3 Penny Nom lui répond. Simplifying Variable Expressions 2002-10-28 Erika pose la question :i would like to ask you a mathematical question on Simplifying Variable Expressions. The question is 2(n-4)+3. Penny Nom lui répond. Rational expressions 2002-10-03 Ashley pose la question :1/x(squared) + 5/xyPenny Nom lui répond. Variable expressions 2002-08-15 Brittany pose la question :I am just learning variable expressions. My homework is to write a variable expression for each word phrase; example : the number of minutes in s seconds the cost of x cartons of juice at \$.75 each And etc. I don't understand itPenny Nom lui répond. Simplifying algebraic expressions 2001-05-12 A student pose la question :How do you simplify algebra expressions?Penny Nom lui répond. Adding and subtracting rational expressions 2001-05-03 Donna pose la question :Adding and subtracting Rational expressions. I am in grade 10 and I am a student here is an example of the questions: 1/(x+1) - 1/(x-1) = ? Penny Nom lui répond. Equivalent Expressions 1997-02-26 Karyn Jones pose la question :Josie says that s=n/(n+1) and s/(1-s)=n are two ways to write the same formula. Describe whether or not you agree with Joise. Explain how you made your decision.Walter Whiteley and Penny Nom lui répond.

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