SOLUTION: divide and simplify z^2-49/z /z+7/z+9 this is a fraction divided by a fraction

Question 150627: divide and simplify
z^2-49/z /z+7/z+9 this is a fraction divided by a fraction
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given expression.

Multiply the first fraction by the reciprocal of the second fraction .

Factor to get .

Combine the fractions.

Highlight the common terms.

Cancel out the common terms.

Simplify.

So simplifies to .

In other words, where , , or

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