Evaluate
120
Factor
2^{3}\times 3\times 5
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190\times \frac{12}{19}
Divide 190 by \frac{19}{12} by multiplying 190 by the reciprocal of \frac{19}{12}.
\frac{190\times 12}{19}
Express 190\times \frac{12}{19} as a single fraction.
\frac{2280}{19}
Multiply 190 and 12 to get 2280.
120
Divide 2280 by 19 to get 120.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}