Решите уравнение х^2 (х+1)-(х+2)(2х-3)=х^2 (х-1)
+x2(x+1)-(x+2)(2x-3)=x2(x-1) +1x2(1x+1)-(1x+2)(2x-3)=1x2(1x-1) +1x2(1x+1)-(1x+2)(2x-3)=1x2(1x-1) (1x3+1x2)-(2x2-3x+4x-6)=(1x3-1x2) 1x3+1x2-2x2+3x-4x+6=1x3-1x2 1x3+1x2-2x2+3x-4x+6=1x3-1x2 1x3-1x2-1x+6=1x3-1x2 -1x=-6 -1x=-6 -1x=-6 1x=6