Evaluate
\left(7r-3\right)\left(4r+9\right)
Expand
28r^{2}+51r-27
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28r^{2}-12r+63r-27
Apply the distributive property by multiplying each term of 4r+9 by each term of 7r-3.
28r^{2}+51r-27
Combine -12r and 63r to get 51r.
28r^{2}-12r+63r-27
Apply the distributive property by multiplying each term of 4r+9 by each term of 7r-3.
28r^{2}+51r-27
Combine -12r and 63r to get 51r.
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