Question

Factor the algebraic expression

Answer 1

Explanation:

look at the attachment......

Answer 2

[x - y]×[x + y - 2]

Explanation:

(x - 1)² - (y - 1)² has the form of a² - b² which is equal to (a - b)(a + b) where a = x-1 and b = y - 1

then

(x - 1)² - (y - 1)² = [(x - 1) - (y - 1)]×[(x - 1) + (y - 1)]

= [x - y]×[x + y - 2]