Question

решите уравнение ....

Answer 1

$3x(x {}^{2} - 8) - 3x {}^{3} = 12 \\ 3x {}^{3} - 24x - 3x {}^{3} = 12 \\ - 24x = 12 \\ x = - 0.5$

Answer 2

3x(x2-8)-3x3=12

3x в 3 - 8 - 3x в 3=12

-8=12

12:8=1.5