(x - 4)^2 - x(x - 2) = (x + 2)(x - 2) - x(x - 2) = (x +2 - x)(x - 2) = 2 (x - 2) = 2x - 4
2*1.5 - 4 = -1
(х-4)^2-х(х-2)= (х^2-2*х*4+4^2)-(х^2-2х)=-8х+16-+2х=-6х+16
(x - 4)^2 - x(x - 2) = (x + 2)(x - 2) - x(x - 2) = (x +2 - x)(x - 2) = 2 (x - 2) = 2x - 4
2*1.5 - 4 = -1
(х-4)^2-х(х-2)= (х^2-2*х*4+4^2)-(х^2-2х)=-8х+16-+2х=-6х+16