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45x^{2}+267x-197
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45x^{2}+267x-197
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1+\left(3x-2\right)\left(15x+99\right)
Subtract 7 from 8 to get 1.
1+45x^{2}+297x-30x-198
Apply the distributive property by multiplying each term of 3x-2 by each term of 15x+99.
1+45x^{2}+267x-198
Combine 297x and -30x to get 267x.
-197+45x^{2}+267x
Subtract 198 from 1 to get -197.
1+\left(3x-2\right)\left(15x+99\right)
Subtract 7 from 8 to get 1.
1+45x^{2}+297x-30x-198
Apply the distributive property by multiplying each term of 3x-2 by each term of 15x+99.
1+45x^{2}+267x-198
Combine 297x and -30x to get 267x.
-197+45x^{2}+267x
Subtract 198 from 1 to get -197.
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