Question

Решите пожалусто срочно надо

Answer 1

$1)a( {x}^{2} + y) - b( {x}^{2} + y) + \\ c( {x}^{2} + y) = ( {x}^{2} + y)(a - b + c)$
$2)a(ab + 1) + {b}^{2} (ab + 1) \\ + 3(ab + 1) = \\ (ab + 1)(a + {b}^{2} + 3)$