Evaluate
630
Factor
2\times 3^{2}\times 5\times 7
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54+76+60+189+110+69+72
Multiply 18 and 3 to get 54. Multiply 19 and 4 to get 76. Multiply 20 and 3 to get 60. Multiply 21 and 9 to get 189. Multiply 22 and 5 to get 110. Multiply 23 and 3 to get 69. Multiply 24 and 3 to get 72.
130+60+189+110+69+72
Add 54 and 76 to get 130.
190+189+110+69+72
Add 130 and 60 to get 190.
379+110+69+72
Add 190 and 189 to get 379.
489+69+72
Add 379 and 110 to get 489.
558+72
Add 489 and 69 to get 558.
630
Add 558 and 72 to get 630.
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}