Evaluate
3930
Factor
2\times 3\times 5\times 131
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460+740+370+350+360+1040+610
Add 60 and 400 to get 460.
1200+370+350+360+1040+610
Add 460 and 740 to get 1200.
1570+350+360+1040+610
Add 1200 and 370 to get 1570.
1920+360+1040+610
Add 1570 and 350 to get 1920.
2280+1040+610
Add 1920 and 360 to get 2280.
3320+610
Add 2280 and 1040 to get 3320.
3930
Add 3320 and 610 to get 3930.
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}