Evaluate
8
Factor
2^{3}
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\frac{12\times 2}{1\times 2+1}
Divide 12 by \frac{1\times 2+1}{2} by multiplying 12 by the reciprocal of \frac{1\times 2+1}{2}.
\frac{24}{1\times 2+1}
Multiply 12 and 2 to get 24.
\frac{24}{2+1}
Multiply 1 and 2 to get 2.
\frac{24}{3}
Add 2 and 1 to get 3.
8
Divide 24 by 3 to get 8.
Examples
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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
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Limits
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