Question

plsssssssss help me out ​

Answer 1

(x^2 - y^2)/(x^2 - xy - 2y^2)

= (x+y)(x-y)/(x^2 - 2xy + xy - 2y^2)

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

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

= (x-y)/(x-2y)