Решите уравнение (3х-5)(2х+7)=(3х+1)(2х-3)+4х
6x^+21x-10x-35x=6x^-9x+2x-3+4x 6x^-6x^+21x-10x-35x+9x-2x-4x+3=0 -21x=-3 x=1/7