Evaluate
12
Factor
2^{2}\times 3
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17+\frac{4\times 80}{10}-3\times 9-8-2
Divide 51 by 3 to get 17.
17+\frac{320}{10}-3\times 9-8-2
Multiply 4 and 80 to get 320.
17+32-3\times 9-8-2
Divide 320 by 10 to get 32.
49-3\times 9-8-2
Add 17 and 32 to get 49.
49-27-8-2
Multiply 3 and 9 to get 27.
22-8-2
Subtract 27 from 49 to get 22.
14-2
Subtract 8 from 22 to get 14.
12
Subtract 2 from 14 to get 12.
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}