Question

Factorize the polynomial completely.
x3 +x2 -4x -4

Answer 1

Answer:

(x+1)

Explanation:

let put -1 at the place of x, because it is not factories by 1.

(-1)3 +(-1)2 -4*(-1) - 4

-1+1+4-4

=0

it means that x+1 is the factor of the polynomial