100 POINTS!!!
1. p(x) = (1/(x+1)) and q(x) = (1/(x-1)) ... perform the operation and show that it results in another rational expression p(x) - q(x)
2. p(x) = (1/(x+1)) and q(x) = (1/x-1)) ... perform the operation and show that it results in another rational expression p(x) / q(x)
3. Simplify (a3 - b3)/(a2 - b2)
4. Simplify ((4a2 - 1)/(a2 - 4)) / ((2a - 1)/(a - 2))
5. Simplify (6a + 9)/3
SHOW ALL WORK