[ 2 \cdot ( 4 - 12 : ( - 3 ) ) + 3 ] : ( 10 - 3
Evaluate
\frac{19}{7}\approx 2.714285714
Factor
\frac{19}{7} = 2\frac{5}{7} = 2.7142857142857144
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\frac{2\left(4-\left(-4\right)\right)+3}{10-3}
Divide 12 by -3 to get -4.
\frac{2\left(4+4\right)+3}{10-3}
The opposite of -4 is 4.
\frac{2\times 8+3}{10-3}
Add 4 and 4 to get 8.
\frac{16+3}{10-3}
Multiply 2 and 8 to get 16.
\frac{19}{10-3}
Add 16 and 3 to get 19.
\frac{19}{7}
Subtract 3 from 10 to get 7.
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}