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) About Me  (Show Source):
You can put this solution on YOUR website!
%28z%5E2-49%29%2F%28z%2B7%29
I'm going to assume that your question is asking you to simplify it?

So since we have %28z%5E2-49%29%2F%28z%2B7%29
The first step we should take is to factor the numerator.

z%5E2-49
=(z+7)(z-7)

So now we have %28%28z%2B7%29%28z-7%29%29%2F%28z%2B7%29
From here, we can cancel out the z+7 on the top and bottom,
which leaves us with z-7.