Evaluate
3
Factor
3
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\frac{40-1}{4\times 3+1}
Multiply 4 and 10 to get 40.
\frac{39}{4\times 3+1}
Subtract 1 from 40 to get 39.
\frac{39}{12+1}
Multiply 4 and 3 to get 12.
\frac{39}{13}
Add 12 and 1 to get 13.
3
Divide 39 by 13 to get 3.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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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
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Limits
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