Evaluate
\left(9-x\right)\left(5x-6\right)
Expand
-5x^{2}+51x-54
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45x-5x^{2}-54+6x
Apply the distributive property by multiplying each term of 5x-6 by each term of 9-x.
51x-5x^{2}-54
Combine 45x and 6x to get 51x.
45x-5x^{2}-54+6x
Apply the distributive property by multiplying each term of 5x-6 by each term of 9-x.
51x-5x^{2}-54
Combine 45x and 6x to get 51x.
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