Question

Heeelppp please is for today

Answer 1

This picture shows how to think and answer.

Answer 2

x = −2 or x = 4.23606797749979 or x = −0.2360679774997898

Explanation:

Subtract x^3-2x^2-9x-2 from both sides.

0 − (x3−2x2−9x−2) = x3−2x2−9x−2 − (x3−2x2−9x−2)

−x3+2x2+9x+2=0

Factor left side of equation.

(−x−2)(x2−4x−1)=0

Set factors equal to 0.

−x−2=0 or x2−4x−1=0