Expand
7c^{2}+30cd+8d^{2}
Evaluate
\left(c+4d\right)\left(7c+2d\right)
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7c^{2}+2cd+28dc+8d^{2}
Apply the distributive property by multiplying each term of c+4d by each term of 7c+2d.
7c^{2}+30cd+8d^{2}
Combine 2cd and 28dc to get 30cd.
7c^{2}+2cd+28dc+8d^{2}
Apply the distributive property by multiplying each term of c+4d by each term of 7c+2d.
7c^{2}+30cd+8d^{2}
Combine 2cd and 28dc to get 30cd.
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