Question

1) 3x(x-8)-6(x²+2x)
2)5a(a²-4a)-8a(a²-6a)
Решите срочно даю 30 баллов ​

Answer 1

Ответ:

$1) {3x}^{2} - 24x - {6x}^{2} - 12x = \\ = - {3x}^{2} - 36x$

$2) {5a}^{3} - {20a}^{2} - {8a}^{3} + 48 {a}^{2} = \\ = - 3 {a}^{3} + 28 {a}^{2}$