Question

Помогите решить уравнение:
(3х+4)²-|3х+4|-2=0​

Answer 1

Ответ:

x1 = -2

x2 = -2/3

$(3x + 4)^{2} - |3x + 4| - 2 = 0 \\ {t}^{2} - |t| - 2 = 0 \\ t = 2 \\ t = - 2 \\ 3x + 4 = 2 \\ 3x + 4 = - 2 \\ x = - 2 \\ x = - \frac{2}{3}$