SOLUTION: Simplify the rational expression. 8x^2+56x/x^3+343 I have: 8x(x+7)/(x^2+7)(x+49)= 8x/x^2+49 I don't know what I'm doing wrong. Thank you for your help!!

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Simplify the rational expression. 8x^2+56x/x^3+343 I have: 8x(x+7)/(x^2+7)(x+49)= 8x/x^2+49 I don't know what I'm doing wrong. Thank you for your help!!       Log On


   

Question 854031: Simplify the rational expression.
8x^2+56x/x^3+343
I have:
8x(x+7)/(x^2+7)(x+49)= 8x/x^2+49
I don't know what I'm doing wrong.
Thank you for your help!!
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
8x(x+7)/x^3+343=
x^3+343=(x+7)*(x^2-7x+49)
8x(x+7)/(x+7)*(x^2-7x+49)
8x/(x^2-7x+49)