(2х-3)^3 = 1-7 (5x +2)^2
8x^3-3*4x*-3*+3*2x*9+27=1-7{25x^2+2*5x*2+4]
8x^3+36x+54x+27=1-175x^2-70x-28
8x^3+36x+54x+27-1+175x^2+70+28=0
8x^3+175x^2+90x+124=0
(2х-3)^3 = 1-7 (5x +2)^2
8x^3-3*4x*-3*+3*2x*9+27=1-7{25x^2+2*5x*2+4]
8x^3+36x+54x+27=1-175x^2-70x-28
8x^3+36x+54x+27-1+175x^2+70+28=0
8x^3+175x^2+90x+124=0