Question

Simplify the rational expression. Find a (8-x)/(x²-64)

Answer 1

-(x-8)

Explanation:

8-x

x²-64

factor the denominator

(8-x).

(x+8)(x-8)

multiply the numerator by a -1 to make it cancel

-(8+x).

(x+8) (x-8)

cancel

-(x-8)