Simplify (3(a+h)^2-3a^2)/h

Math
Simplify the numerator.
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Factor out of .
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Factor out of .
Factor out of .
Factor out of .
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Simplify.
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Add and .
Subtract from .
Add and .
Simplify terms.
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Cancel the common factor of .
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Cancel the common factor.
Divide by .
Apply the distributive property.
Multiply by .
Simplify (3(a+h)^2-3a^2)/h
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