Evaluate
2
Factor
2
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-2.8+3.1-\left(-1.7\right)
Subtract 0.8 from -2 to get -2.8.
0.3-\left(-1.7\right)
Add -2.8 and 3.1 to get 0.3.
0.3+1.7
The opposite of -1.7 is 1.7.
2
Add 0.3 and 1.7 to get 2.
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
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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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