Question

(3х+5)(2х+1)=(6х+5)(х-3)+7​

Answer 1

Ответ:

${6x}^{2} + 3x + 10x + 5 = {6x}^{2} - 18x + 5x - 15 + 7$

$3x + 10x + 18x - 5x = - 5 - 15 + 7$

$26x = - 13$

$x = - \frac{1}{2}$