Multiply: p2−4p2−1⋅p+1p−2\frac{p^2-4}{p^2-1} \cdot \frac{p+1}{p-2}p2−1p2−4⋅p−2p+1
p+2p+2p+2
(p+2)(p+1)(p−1)(p−2)\frac{(p+2)(p+1)}{(p-1)(p-2)}(p−1)(p−2)(p+2)(p+1)
p+2p−1\frac{p+2}{p-1}p−1p+2
p+2p+1\frac{p+2}{p+1}p+1p+2