Question

х^2+ xу - 2y-4 factorize it​

Answer 1

Step-by-step explanation:

x²-2y+xy-4

=x²-4+xy-2y

=(x²-2²)+xy-2y by identity x²-y²=(x-y)(x+y)

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

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

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