Question

Сделайте пожалуйста,15б

Answer 1

2.
$(x + y)(a + 2b) \\ (x - y)(7 - 3c) \\ (a + 2)( {m}^{2} + 1) \\ (a - 5)(p + 1) \\ (6 - m)(1 + p) \\ (x - y)( t + p + 3)$
3.
$ab + 3a + 2b + 6 = \\ = ( ab + 3a) + (2b + 6) = \\ = a(b + 3) + 2(b + 3) = \\ = (b + 3)(a + 2)$