Evaluate
15
Factor
3\times 5
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|5||15-19|-|-34+29|
Add -7 and 12 to get 5.
5|15-19|-|-34+29|
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of 5 is 5.
5|-4|-|-34+29|
Subtract 19 from 15 to get -4.
5\times 4-|-34+29|
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of -4 is 4.
20-|-34+29|
Multiply 5 and 4 to get 20.
20-|-5|
Add -34 and 29 to get -5.
20-5
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of -5 is 5.
15
Subtract 5 from 20 to get 15.
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}