Simplify (3a+2b)(3a-2b)

Math
(3a+2b)(3a-2b)
Expand (3a+2b)(3a-2b) using the FOIL Method.
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Apply the distributive property.
3a(3a-2b)+2b(3a-2b)
Apply the distributive property.
3a(3a)+3a(-2b)+2b(3a-2b)
Apply the distributive property.
3a(3a)+3a(-2b)+2b(3a)+2b(-2b)
3a(3a)+3a(-2b)+2b(3a)+2b(-2b)
Simplify terms.
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Combine the opposite terms in 3a(3a)+3a(-2b)+2b(3a)+2b(-2b).
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Reorder the factors in the terms 3a(-2b) and 2b(3a).
3a(3a)-2⋅3ab+2⋅3ab+2b(-2b)
Add -2⋅3ab and 2⋅3ab.
3a(3a)+0+2b(-2b)
Add 3a(3a) and 0.
3a(3a)+2b(-2b)
3a(3a)+2b(-2b)
Simplify each term.
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Multiply a by a.
3⋅3a2+2b(-2b)
Multiply 3 by 3.
9a2+2b(-2b)
Multiply b by b.
9a2+2⋅-2b2
Multiply 2 by -2.
9a2-4b2
9a2-4b2
9a2-4b2
Simplify (3a+2b)(3a-2b)

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