Evaluate
\left(n-4\right)\left(7n^{2}-3n+12\right)
Expand
7n^{3}-31n^{2}+24n-48
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-3n^{2}+24n-48+7n^{3}-28n^{2}
Use the distributive property to multiply 7n^{2} by n-4.
-31n^{2}+24n-48+7n^{3}
Combine -3n^{2} and -28n^{2} to get -31n^{2}.
-3n^{2}+24n-48+7n^{3}-28n^{2}
Use the distributive property to multiply 7n^{2} by n-4.
-31n^{2}+24n-48+7n^{3}
Combine -3n^{2} and -28n^{2} to get -31n^{2}.
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