Question

Докажите тождество
(a-b)(a2-b2)=(a+b)(a-b)2=

Answer 1

(a - b)(a² - b²) = (a + b)(a - b)²
(a - b)(a - b)(a + b) = (a + b)(a - b)²
(a + b)(a - b)² = (a + b)(a - b)²