Subtract (4a+1)/(a^2-4)-(2a+7)/(a^2-4)

Math
Combine the numerators over the common denominator.
Simplify the numerator.
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Apply the distributive property.
Multiply by .
Multiply by .
Subtract from .
Subtract from .
Factor out of .
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Factor out of .
Factor out of .
Factor out of .
Simplify the denominator.
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Rewrite as .
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Subtract (4a+1)/(a^2-4)-(2a+7)/(a^2-4)

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