Разложить ** множители. 5ay-y-a+5a^2

Question

Разложить на множители.
5ay-y-a+5a^2

Answer 1

5ay-y-a+5a^2=y(5a-1)+a(5a-1)=(5a-1)(y+a)

Answer 2

5ay-y-a+5a2=(5ay-y)-(a-5a2)=y(5a-1)-a(1-5a)=y(5a-1)+a(5a-1)=(5a-1)(y+a)