Evaluate
-6
Factor
-6
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\frac{2\times 29}{7}-3\times \frac{38}{7}+2
Express 2\times \frac{29}{7} as a single fraction.
\frac{58}{7}-3\times \frac{38}{7}+2
Multiply 2 and 29 to get 58.
\frac{58}{7}-\frac{3\times 38}{7}+2
Express 3\times \frac{38}{7} as a single fraction.
\frac{58}{7}-\frac{114}{7}+2
Multiply 3 and 38 to get 114.
\frac{58-114}{7}+2
Since \frac{58}{7} and \frac{114}{7} have the same denominator, subtract them by subtracting their numerators.
\frac{-56}{7}+2
Subtract 114 from 58 to get -56.
-8+2
Divide -56 by 7 to get -8.
-6
Add -8 and 2 to get -6.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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}