因式分解:y(y+1)(x2+1)+x(2y2+2y+1).
问题描述:
因式分解:y(y+1)(x2+1)+x(2y2+2y+1).
答
y(y+1)(x2+1)+x(2y2+2y+1)=x2(y+1)y+x(2y2+2y+1)+y(y+1)
=[yx+(y+1)][(y+1)x+y].