Question

x²-y²+5x-5y

Answer 1

\(x^2-y^2+5x-5y=\left(x-y\right)\left(x+y\right)+5\left(x-y\right)=\left(x-y\right)\left(x+y+5\right)\)

Answer 2

=(x-y)(x+y)+5(x-y)=(x-y)(x+y+5)