Question

Решите пожалуйста :>

Answer 1

4(2a-b) x (2a+b)
(8-9k) x (8+9k)
(mn-5) x (mn+5)
(X-4/3) x (X+4/3)
(y-1/5) x (y-1/5)
(4/5-7/10X) x (4/5+7/10X)
(4/5n-25) x (4/5n + 25)
(13/10X - 7/4) x (13/10X + 7/4)