Question

Надо решить номер 10 и 11

Answer 1

11)

$a)5a {}^{2} b - 25ab {}^{2} = 5(a {}^{2} b - 5a {}^{2}) = 5(ba {}^{2} - 5a {}^{2} )$

$б) - 18x {}^{4} y {}^{5} - 24x {}^{5} y {}^{4} = - 6x {}^{4} y {}^{4} \times (3y + 4x)$

$в) - 2xy + 3x {}^{3} y = - xy \times (2 - 3x {}^{2} )$

г)16xy4 + 24y=8y×(2xy³+3)