Evaluate
6\left(k+1\right)\left(2k+7\right)
Expand
12k^{2}+54k+42
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12k^{2}+12k+42k+42
Apply the distributive property by multiplying each term of 2k+7 by each term of 6k+6.
12k^{2}+54k+42
Combine 12k and 42k to get 54k.
12k^{2}+12k+42k+42
Apply the distributive property by multiplying each term of 2k+7 by each term of 6k+6.
12k^{2}+54k+42
Combine 12k and 42k to get 54k.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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