Question

алгебра, помогите
решите уравнение​

Answer 1

Ответ:

.......................

Answer 2

Ответ:

$x_{1} = -2 , x_{2} = 1$

Объяснение:

$-x^{2} - x + 2 = 0\\\\x^{2} + x - 2 = 0\\\\x^{2} + 2x - x - 2 = 0\\\\x * (x + 2) - (x + 2) = 0\\\\(x + 2) * (x - 1) = 0\\\\x + 2 = 0\\x - 1 = 0\\\\x = -2\\x = 1\\\\OTBET : x_{1} = -2 , x_{2} = 1$