Question

Разложите на множители.

Answer 1

1) 3(а-5b)
2) x(5-2y)
3)7m(n+k)
4)6a(a-6b)
5)x³(x⁴-1)
6)9ab(2b-1)

Answer 2

$3a-15b=3(a-5b);\5x-2xy=x(5-2y);\7mn+7mk=7m(n+k);\6a^2-12ab=6a(a-2b);\x^7-x^3=x^3(x^4-1);\18ab^2+9ab=9ab(2b+1).$