Question

(x-y)2- 4(x-y) - 45
Find the factors ​

Answer 1

Step-by-step explanation:

(x-y)2-4(x-y)-45

= 2x-2y-4x+4y-45

= -2y+4y-4x+2x-45

= 2y-2x-45

Answer 2

Answer:

(x-y)^2-4(x-y)-45

=(x-y)^2-9(x-y)+5(x-y)-45

=(x-y)(x-y-9)+5(x-y-9)

=(x-y-9)(x-y+5)