Question

3(x+2)(x+2)-72=2x(x+4)

Answer 1

Ответ:

x = 6, -10

Объяснение:

3 (x + 2) (x + 2) - 72 = 2x (x + 4)

3x² + 12x - 60 = 2x (x + 4)

3x² + 12x - 60 = 2x² + 8x

x² + 4x - 60 = 0

(x - 6) (x + 10) = 0

x = 6

x = -10

Ответ: x = 6, -10