Expand
12c^{2}+5cd-2d^{2}
Evaluate
\left(4c-d\right)\left(3c+2d\right)
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12c^{2}+8cd-3dc-2d^{2}
Apply the distributive property by multiplying each term of 4c-d by each term of 3c+2d.
12c^{2}+5cd-2d^{2}
Combine 8cd and -3dc to get 5cd.
12c^{2}+8cd-3dc-2d^{2}
Apply the distributive property by multiplying each term of 4c-d by each term of 3c+2d.
12c^{2}+5cd-2d^{2}
Combine 8cd and -3dc to get 5cd.
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