Question

Разложите на множители
1) 5a²-20ab
2)7x³-14x⁵
3)3a-3b+ax-bx

Answer 1

1) 5a²-20ab=5a(a-4b)
2)7x³-14x⁵=7x³(1-2x²)
3)3a-3b+ax-bx=3(a-b)+x(a-b)=(a-b)(3+x)