Evaluate
28
Factor
2^{2}\times 7
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14-3\left(-12\right)-1-\left(20+1\right)
Subtract 12 from 0 to get -12.
14-\left(-36\right)-1-\left(20+1\right)
Multiply 3 and -12 to get -36.
14+36-1-\left(20+1\right)
The opposite of -36 is 36.
50-1-\left(20+1\right)
Add 14 and 36 to get 50.
49-\left(20+1\right)
Subtract 1 from 50 to get 49.
49-21
Add 20 and 1 to get 21.
28
Subtract 21 from 49 to get 28.
Examples
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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
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Limits
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