Question

(x^2-9)/(x+1) ÷ (x^2-6x+9)/(7x+7) reduced form?

A) 7(x-3)^2 B) 7(x+3) C) 7(x-3) D) 7(x+3)^2
----------- --------- ---------- ------------
x+3 x-3 x+3 x-3

Answer 1

Hello,


`((x^2-9)/(x+1))/((x^2-6x+9)/(7x+7))=7*((x-3)(x+3)*(x+1))/((x+1)(x-3)^2)=7*(x+3)/(x-3)`