Evaluate
18+18x-20x^{2}
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18+18x-20x^{2}
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\left(10x+6\right)\left(3-2x\right)
Use the distributive property to multiply 2 by 5x+3.
30x-20x^{2}+18-12x
Apply the distributive property by multiplying each term of 10x+6 by each term of 3-2x.
18x-20x^{2}+18
Combine 30x and -12x to get 18x.
\left(10x+6\right)\left(3-2x\right)
Use the distributive property to multiply 2 by 5x+3.
30x-20x^{2}+18-12x
Apply the distributive property by multiplying each term of 10x+6 by each term of 3-2x.
18x-20x^{2}+18
Combine 30x and -12x to get 18x.
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