Question

решите уравнение 22. 1) 3(x²-2)-3x+7-3(x²-2x)=0​

Answer 1

Объяснение:

$3( {x}^{2} - 2) - 3x + 7 - 3( {x}^{2} - 2x) = 0$

$3 {x}^{2} - 6 - 3x + 7- 3 {x}^{2} + 6x = 0$

$3x = 6 - 7$

$3x = - 1$

$x = - \frac{1}{3}$