Question

Write as a product:
Thank You Very Much!

Answer 1

(a - b)(1 + a + b)

Explanation:

Note that a² - b² is a difference of squares and factors as

a² - b² = (a - b)(a + b), thus

a - b + a² - b²

= a - b + (a - b)(a + b) ← factor out (a - b)

= (a - b)(1 + a + b)