Simplify: (x+1)2−1x\frac{(x+1)^2 - 1}{x}x(x+1)2−1 (assume x≠0x \neq 0x=0).
x+2x + 2x+2
x2+2xx^2 + 2xx2+2x
2x+12x + 12x+1
x+1x + 1x+1