Evaluate
-12
Factor
-12
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-\left(3+6+13-12\right)-2\times 1
The opposite of -13 is 13.
-\left(3+19-12\right)-2\times 1
Add 6 and 13 to get 19.
-\left(22-12\right)-2\times 1
Add 3 and 19 to get 22.
-10-2\times 1
Subtract 12 from 22 to get 10.
-10-2
Multiply 2 and 1 to get 2.
-12
Subtract 2 from -10 to get -12.
Examples
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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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