How can you simplify (image)?

A.Divide the numerator and denominator by (x – 21).

B.Divide the numerator and denominator by (x + 7).

C.Divide the numerator and denominator by (x – 3).

D.Divide the numerator and denominator by (x – 5).

How can you simplify imageADivide the numerator and denominator by x 21BDivide the numerator and denominator by x 7CDivide the numerator and denominator by x 3D class=

Respuesta :

B.

x^2+2-35 would factor into (x+7)(x-5)

×^2+4-21 would factor into (x+7)(x-3)