Evaluate
\left(5a-7b\right)\left(9a-2b\right)
Expand
45a^{2}-73ab+14b^{2}
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45a^{2}-10ab-63ba+14b^{2}
Apply the distributive property by multiplying each term of 5a-7b by each term of 9a-2b.
45a^{2}-73ab+14b^{2}
Combine -10ab and -63ba to get -73ab.
45a^{2}-10ab-63ba+14b^{2}
Apply the distributive property by multiplying each term of 5a-7b by each term of 9a-2b.
45a^{2}-73ab+14b^{2}
Combine -10ab and -63ba to get -73ab.
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