Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
 - 

A.
B.
C.
D.


Answer: C

Mathematics

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A.
B.  + 1
C.
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A.
B.
C.
D.

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A. 1
B.
C.
D.

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