Question

Разложите многочлен на множители. а) 3b³-24 b) a²-8ay+16y²+3a-12y​

Answer 1

$3 {b}^{3} - 24 = 3( {b}^{3} - {2}^{3} ) = \\ 3(b - 2)( {b}^{2} + 2b + 4)$

$({a}^{2} - 8ay + 16 {y}^{2}) + (3a - 12y) = \\ = {( a - 4y )}^{2} + 3(a - 4y) = \\ = (a - 4y)(a - 4y + 3)$