Simplify (2r-2)/(r^2+4r-32)+3/(r+8)*3/(r-4)

Math
Simplify terms.
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Simplify each term.
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Factor out of .
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Factor out of .
Factor out of .
Factor out of .
Factor using the AC method.
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Consider the form . Find a pair of integers whose product is and whose sum is . In this case, whose product is and whose sum is .
Write the factored form using these integers.
Multiply .
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Multiply and .
Multiply by .
Combine into one fraction.
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Reorder the factors of .
Combine the numerators over the common denominator.
Simplify the numerator.
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Apply the distributive property.
Multiply by .
Add and .
Simplify (2r-2)/(r^2+4r-32)+3/(r+8)*3/(r-4)
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