Simplify (9x+y)(9x-y)

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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Multiply by .
Multiply by .
Rewrite using the commutative property of multiplication.
Multiply by .
Rewrite using the commutative property of multiplication.
Rewrite using the commutative property of multiplication.
Multiply by by adding the exponents.
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Move .
Multiply by .
Add and .
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Move .
Add and .
Add and .
Simplify (9x+y)(9x-y)
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