Evaluate
5.2
Factor
\frac{2 \cdot 13}{5} = 5\frac{1}{5} = 5.2
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13.5-\left(-5.1\right)-10.2-8.4-9.8-\left(-15\right)
Add 5.1 and 8.4 to get 13.5.
13.5+5.1-10.2-8.4-9.8-\left(-15\right)
The opposite of -5.1 is 5.1.
18.6-10.2-8.4-9.8-\left(-15\right)
Add 13.5 and 5.1 to get 18.6.
8.4-8.4-9.8-\left(-15\right)
Subtract 10.2 from 18.6 to get 8.4.
-9.8-\left(-15\right)
Subtract 8.4 from 8.4 to get 0.
-9.8+15
The opposite of -15 is 15.
5.2
Add -9.8 and 15 to get 5.2.
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}