SOLUTION: 7x^−1 + 7y^−1 divided by 9(x + y)^−1 I need to simplify and the other one is (x+h)^-4 minus X ^-4, / over H I am totally stuck on both of these prob

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 7x^−1 + 7y^−1 divided by 9(x + y)^−1 I need to simplify and the other one is (x+h)^-4 minus X ^-4, / over H I am totally stuck on both of these prob      Log On


   



Question 339735: 7x^−1 + 7y^−1 divided by 9(x + y)^−1
I need to simplify
and the other one is
(x+h)^-4 minus X ^-4, / over H
I am totally stuck on both of these problems.

Answer by Fombitz(32388) About Me  (Show Source):