Question

решите уравнение
-5x^2-2=-2+6x

Answer 1

$- 5x {}^{2} - 2 + 2 - 6x = 0$
$- 5x {}^{2} - 6x = 0$
$- x(5x + 6) = 0$
$x = 0$
$5x + 6 = 0$
$5x = - 6$
$x = - 1.2$

Answer 2

-5x^2=6х

-5х^2-6х=0

-х(5х+6)=0

-х=0

5х+6=0

х=0

5х+6=0

х=-6/5

Ответ: х1=-1,2 х2=0