SOLUTION: (x/(x^2-100))(9x(x+10)/x+3))=

Question 21674: (x/(x^2-100))(9x(x+10)/x+3))=
Answer by algebrapro18(249) (Show Source): You can put this solution on YOUR website!
well first off factor x^2-100 into (x+10)(x-10) you are left with

x/((x+10)(x-10)) * (9x(x+10))/(x+3)

the x+10's cancel leaving you with

x/x-10 * 9x/x+3

now just simplify

9x(x)/(x-10)(x+3)
9x^2/(x^2+3x-10x-30)
9x^2/(x^2-7x-30)
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