Evaluate
-23
Factor
-23
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-\left(-3+10\right)-8+4\left(-2\right)
Multiply 5 and 2 to get 10.
-7-8+4\left(-2\right)
Add -3 and 10 to get 7.
-15+4\left(-2\right)
Subtract 8 from -7 to get -15.
-15-8
Multiply 4 and -2 to get -8.
-23
Subtract 8 from -15 to get -23.
Examples
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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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