Multiply: x2−1x+2⋅x+2x−1\frac{x^2-1}{x+2} \cdot \frac{x+2}{x-1}x+2x2−1⋅x−1x+2 for x≠−2,1x \neq -2, 1x=−2,1.
x2−1x−1\frac{x^2-1}{x-1}x−1x2−1
x+2x+1\frac{x+2}{x+1}x+1x+2
x−1x-1x−1
x+1x+1x+1