Question

4(х-3)-3х(2+х)=х(2-3х)

Answer 1

Объяснение:

$4(x - 3) - 3x(2 + x) = x(2 - 3x) \\ 4x - 12 - 6x - 3x {}^{2} = 2x - 3x {}^{2} \\ 4x - 12 - 6x = 2x \\ - 2x - 12 = 2x \\ - 2x = 2x + 12 \\ - 2x - 2x = 12 \\ - 4x = 12 \\ x = - 3$

Ответ: -3