Question

Решите неравенство (x+9)(x-2)-(x-2)^2>0

Answer 1

(x + 9)(x - 2) - (x - 2)² > 0

(x - 2)(x + 9 - x + 2) > 0

(x - 2) * 11 > 0

x - 2 > 0

x > 2

x ∈ (2 ; + ∞)