Question

What is the solution of the quadratic inequality x2 − 4x − 32 ≥ 0?

Answer 1

x^2-(8-4)x-32>=0
x^2-8x+4x-32>=0
x(x-8)+4(x-8)>=0
(x+4)(x-8)>=0

Answer 2

now,either (x+4)>=0
x>=-4
or,
x-8>=0
x>=8

Answer 3

I think its x>=-4. but Gather more Data I might be wrong.