Evaluate
83
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83
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\left(15-3\right)\left(5+6-4\right)-3+8-6
Subtract 5 from 8 to get 3.
12\left(5+6-4\right)-3+8-6
Subtract 3 from 15 to get 12.
12\left(11-4\right)-3+8-6
Add 5 and 6 to get 11.
12\times 7-3+8-6
Subtract 4 from 11 to get 7.
84-3+8-6
Multiply 12 and 7 to get 84.
81+8-6
Subtract 3 from 84 to get 81.
89-6
Add 81 and 8 to get 89.
83
Subtract 6 from 89 to get 83.
Examples
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{ 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}