Evaluate
\left(2a-3b\right)\left(4a+5b\right)
Expand
8a^{2}-2ab-15b^{2}
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8a^{2}-12ab+10ba-15b^{2}
Apply the distributive property by multiplying each term of 4a+5b by each term of 2a-3b.
8a^{2}-2ab-15b^{2}
Combine -12ab and 10ba to get -2ab.
8a^{2}-12ab+10ba-15b^{2}
Apply the distributive property by multiplying each term of 4a+5b by each term of 2a-3b.
8a^{2}-2ab-15b^{2}
Combine -12ab and 10ba to get -2ab.
Examples
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Limits
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