Evaluate
\frac{84}{17}\approx 4.941176471
Factor
\frac{2 ^ {2} \cdot 3 \cdot 7}{17} = 4\frac{16}{17} = 4.9411764705882355
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4-\frac{2}{17}\left(-8\right)
Fraction \frac{-2}{-17} can be simplified to \frac{2}{17} by removing the negative sign from both the numerator and the denominator.
4-\frac{2\left(-8\right)}{17}
Express \frac{2}{17}\left(-8\right) as a single fraction.
4-\frac{-16}{17}
Multiply 2 and -8 to get -16.
4-\left(-\frac{16}{17}\right)
Fraction \frac{-16}{17} can be rewritten as -\frac{16}{17} by extracting the negative sign.
4+\frac{16}{17}
The opposite of -\frac{16}{17} is \frac{16}{17}.
\frac{68}{17}+\frac{16}{17}
Convert 4 to fraction \frac{68}{17}.
\frac{68+16}{17}
Since \frac{68}{17} and \frac{16}{17} have the same denominator, add them by adding their numerators.
\frac{84}{17}
Add 68 and 16 to get 84.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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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}