Question

Разложите на множители:
5а^2-20аb
7x^3-14x^5

Answer 1

5a(a-4b)
7x(x^2-2x^4)=7x^3(1-2x^2)

Answer 2

а(5а-20b)=5a(a-4b)
x^3(7-14x^2)=7x^3(1-2x^2)