Evaluate
\left(7-9k\right)\left(4k-7\right)
Expand
-36k^{2}+91k-49
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28k-49-36k^{2}+63k
Apply the distributive property by multiplying each term of 7-9k by each term of 4k-7.
91k-49-36k^{2}
Combine 28k and 63k to get 91k.
28k-49-36k^{2}+63k
Apply the distributive property by multiplying each term of 7-9k by each term of 4k-7.
91k-49-36k^{2}
Combine 28k and 63k to get 91k.
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