Evaluate
3\left(2a-3b\right)\left(3a+2b\right)
Expand
18a^{2}-15ab-18b^{2}
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18a^{2}-27ab+12ba-18b^{2}
Apply the distributive property by multiplying each term of 9a+6b by each term of 2a-3b.
18a^{2}-15ab-18b^{2}
Combine -27ab and 12ba to get -15ab.
18a^{2}-27ab+12ba-18b^{2}
Apply the distributive property by multiplying each term of 9a+6b by each term of 2a-3b.
18a^{2}-15ab-18b^{2}
Combine -27ab and 12ba to get -15ab.
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