Divide: x2+2x+1x+1÷x+1x\frac{x^2+2x+1}{x+1} \div \frac{x+1}{x}x+1x2+2x+1÷xx+1
x+1x+1x+1
xxx
x2(x+1)2\frac{x^2}{(x+1)^2}(x+1)2x2
x2+1x^2+1x2+1