P(x)=x^(3)+7x^(2) -4x-28

Question

`p(x)=x^(3)+7x^(2) -4x-28`

Answer 1

(x + 7) (x + 2) (x - 2)

Explanation:

p(x) = x³ + 7x² - 4x - 28

= x² (x + 7) - 4 (x +7)

= (x + 7) (x² - 4)

= (x + 7) (x + 2) (x - 2)