Evaluate
\frac{3n\left(19-n\right)}{2}
Expand
\frac{57n-3n^{2}}{2}
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\frac{57n-3n^{2}}{2}
Use the distributive property to multiply n by 57-3n.
\frac{57n-3n^{2}}{2}
Use the distributive property to multiply n by 57-3n.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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Linear equation
y = 3x + 4
Arithmetic
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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