Question

Разложите на множетели:
25-$b^{2}$=
3$a^{2}$-6a=
$3 x^{2} +2 x^{2} -48x-32=$

Answer 1

$25-b^2=(5-b)(5+b) \ \ 3a^2-6a=3a(a-2) \ \ 3x^2+2x^2-48x-32x=5x^2-80x=5x(x-16)$