Evaluate
8
Factor
2^{3}
Quiz
Arithmetic
5 problems similar to:
6 \cdot 5 - ( - 8 ) : 8 + 2 \cdot ( - 10 ) + 3 \cdot 6 : ( - 6 )
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30-\frac{-8}{8}-20+\frac{3\times 6}{-6}
Multiply 6 and 5 to get 30. Multiply 2 and -10 to get -20.
30-\left(-1\right)-20+\frac{3\times 6}{-6}
Divide -8 by 8 to get -1.
30+1-20+\frac{3\times 6}{-6}
The opposite of -1 is 1.
31-20+\frac{3\times 6}{-6}
Add 30 and 1 to get 31.
11+\frac{3\times 6}{-6}
Subtract 20 from 31 to get 11.
11+3\left(-1\right)
Cancel out -6 and -6.
11-3
Multiply 3 and -1 to get -3.
8
Subtract 3 from 11 to get 8.
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}