Evaluate
6\left(n+1\right)\left(n+7\right)
Expand
6n^{2}+48n+42
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\left(6n+42\right)\left(n+1\right)
Use the distributive property to multiply 6 by n+7.
6n^{2}+6n+42n+42
Apply the distributive property by multiplying each term of 6n+42 by each term of n+1.
6n^{2}+48n+42
Combine 6n and 42n to get 48n.
\left(6n+42\right)\left(n+1\right)
Use the distributive property to multiply 6 by n+7.
6n^{2}+6n+42n+42
Apply the distributive property by multiplying each term of 6n+42 by each term of n+1.
6n^{2}+48n+42
Combine 6n and 42n to get 48n.
Examples
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y = 3x + 4
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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