SOLUTION: What is z-1/z-8 - z+1/z+8 + z-120/z^2-64 ?

Question 347966: What is z-1/z-8 - z+1/z+8 + z-120/z^2-64 ?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.

Factor the last denominator.

Multiply the first fraction by

Multiply the second fraction by

FOIL

Combine the fractions.

Distribute.

Combine like terms.

Factor the numerator.

Factor the numerator.

Cancel out the common terms.

Simplify.

So

If you need more help, email me at jim_thompson5910@hotmail.com

Also, feel free to check out my tutoring website

Jim
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