x+2xy+x²+xy²=x(1+2y+x+y²)
2a+3a²-a=a(2+3a-1)
3n+nm-9n³+n=n(3+m-9n²+1)
h+h²-h³=h(1+h-h²)
9y(a-b)-5(a-b)=(a-b)(9y-5)
x+2xy+x²+xy²=x(1+2y+x+y²)
2a+3a²-a=a(2+3a-1)
3n+nm-9n³+n=n(3+m-9n²+1)
h+h²-h³=h(1+h-h²)
9y(a-b)-5(a-b)=(a-b)(9y-5)