Evaluate
18
Factor
2\times 3^{2}
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15+\frac{42}{14}
Divide 105 by 7 to get 15.
15+3
Divide 42 by 14 to get 3.
18
Add 15 and 3 to get 18.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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
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Limits
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