Evaluate
b\left(2b^{2}-3b-12\right)
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2b^{3}-3b^{2}-12b
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2b^{3}-5b-7b-3b^{2}
To find the opposite of 7b+3b^{2}, find the opposite of each term.
2b^{3}-12b-3b^{2}
Combine -5b and -7b to get -12b.
2b^{3}-5b-7b-3b^{2}
To find the opposite of 7b+3b^{2}, find the opposite of each term.
2b^{3}-12b-3b^{2}
Combine -5b and -7b to get -12b.
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