Multiply ( square root of 6+7)( square root of 6-7)

Math
Expand using the FOIL Method.
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Apply the distributive property.
Apply the distributive property.
Apply the distributive property.
Simplify and combine like terms.
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Simplify each term.
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Combine using the product rule for radicals.
Multiply by .
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
Move to the left of .
Multiply by .
Subtract from .
Add and .
Add and .
Multiply ( square root of 6+7)( square root of 6-7)
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