| 3 - 2 + ( 11 - 15 ) - [ 5 + ( 13 + 1 ) ] + 8
Evaluate
14
Factor
2\times 7
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|1+11-15-\left(5+13+1\right)+8|
Subtract 2 from 3 to get 1.
|12-15-\left(5+13+1\right)+8|
Add 1 and 11 to get 12.
|-3-\left(5+13+1\right)+8|
Subtract 15 from 12 to get -3.
|-3-\left(18+1\right)+8|
Add 5 and 13 to get 18.
|-3-19+8|
Add 18 and 1 to get 19.
|-22+8|
Subtract 19 from -3 to get -22.
|-14|
Add -22 and 8 to get -14.
14
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of -14 is 14.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}