Question

Rewrite the rational expression with the given denominator 12/x(x+4)=?/x(x+4) (x-9)

Answer 1

Explanation:

hello :

let : f(x) this denominator :

12/x(x+4) = f(x)/x(x+4)(x-9)

f(x) =12x(x+4)(x-9)/x(x+4)

if : x(x+4)(x-9)≠0 simpify by : x(x+4)

f(x) = 12(x-9)