Question

X^2(x+2)(x-7)≥0
I don't know how to solve this.

Answer 1

x ≥ -2 or x ≥ 7

Explanation:

x² (x + 2)(x - 7) ≥ 0

dividing both sides by x²

(x + 2)(x - 7) ≥ 0

thus,

x ≥ -2 or x ≥ 7