Question

Factorice en aspa doble $x^2-4xy+4y^2+x-2y-2$

Answer 1

$x^{2} -4xy + 4y^{2} + x - 2y - 2$

$= x(x-2y-1)-2xy + 4y^{2} + 2x - 4y + y -2$

$=x(x - 2y -1)-2y(x-2y-1)+2(x-2y-1)$

$=(x-2y-1)(x-2y+2)$