Сократи дробь 2x2-5x+2 ————— 3x-6 2x2=2x в квадрате
2х²-5х+2=0 D = 25-16 = 9 x₁,₂ = (5⁺₋3)/4 = 2; 1/2 2х²-5х+2 = 2(х-2)(х-1/2) = (х-2)(2х-1) ((х-2)(2х-1))/(3(х-2)) = (2х-1)/3