Evaluate
-\frac{9}{4}=-2.25
Factor
-\frac{9}{4} = -2\frac{1}{4} = -2.25
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-\frac{841}{4}+\frac{832}{4}
Convert 208 to fraction \frac{832}{4}.
\frac{-841+832}{4}
Since -\frac{841}{4} and \frac{832}{4} have the same denominator, add them by adding their numerators.
-\frac{9}{4}
Add -841 and 832 to get -9.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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
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