Question

Cómo se factorizo
xy + 4x - 2y - 8

Answer 1

xy + 4x - 2y - 8= x(y+4) - 2(y+4)=(x-2)(y+4)

Answer 2

xy + 4x - 2y - 8

xy -2y + 4x - 8

y(x-2) +4(x-2)

(x-2)(y+4)