Simplify 1x+h−1xh⋅(x+h)21\frac{\frac{1}{x+h} - \frac{1}{x}}{h} \cdot \frac{(x+h)^2}{1}hx+h1−x1⋅1(x+h)2 and evaluate the limit as h→0h \to 0h→0.
xxx
−x-x−x
−1-1−1
000