(2х+3)^2=(3х-1)^2 срочно
(2x + 3)^2 - (3x - 1)^2 = 0 (2x + 3 - 3x + 1)(2x + 3 + 3x - 1) = 0 ( - x + 4)(5x + 2) = 0 - x + 4 = 0 - x = - 4 x = 4 5x + 2 = 0 5x = - 2 x = - 2/5 = - 0.4
не -0.4 а 4