10(x+1)^2-25(x+1)+10=0
2(x+1)^2-5(x+1)+2=0
{2(x+1)-1)}{x+1-2}=0
(2x+1)(x-1)=0
x1=-1/2 x2=1
5x^2-2x=0
x(5x-2)=0
x1=0 x2=2/5