SOLUTION: It's on Rational Expressions. z2-49 ------- z+7

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Question 377866: It's on Rational Expressions.
z2-49
-------
z+7
Answer by sophxmai(62)   (Show Source): You can put this solution on YOUR website!

I'm going to assume that your question is asking you to simplify it?

So since we have
The first step we should take is to factor the numerator.


=(z+7)(z-7)

So now we have
From here, we can cancel out the z+7 on the top and bottom,
which leaves us with z-7.
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