Решите уровнение(2-x)(3-x)=(x+2)(x-5)
6 -3х -2х +х^2 = x^2 +2x-5x-10 6 -5x +x^2 = x^2 -3x -10 x^2 -x^2 -5x +3x = -10 -6 -2x = -16 2x = 16 x = 8
6-2x-3x+x*x=x*x+2x-5x-10 6-5x=-3x-10 16=2x x=16/2 x=8