Evaluate
-12
Factor
-12
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6+6+8-4\left(3+5\right)
Add 2 and 4 to get 6.
12+8-4\left(3+5\right)
Add 6 and 6 to get 12.
20-4\left(3+5\right)
Add 12 and 8 to get 20.
20-4\times 8
Add 3 and 5 to get 8.
20-32
Multiply 4 and 8 to get 32.
-12
Subtract 32 from 20 to get -12.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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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