Question

Решите уравнение:
(3+4x)(9-12x+16x^2)-16x(4x^2-1)= -5

Answer 1

$27 + 36x - 36x - 48 {x}^{2} + 48 {x }^{2} + \\ 64 {x}^{3} - 64 {x}^{3} + 16x = - 5 \\ 27 + 16x = - 5 \\ 16x = - 32 \\ x = - 2$