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.
$ab + 3a + 2b + 6 = \ = ( ab + 3a) + (2b + 6) = \ = a(b + 3) + 2(b + 3) = \ = (b + 3)(a + 2)$