Evaluate
2
Factor
2
Quiz
Arithmetic
5 problems similar to:
4 ( - \frac { 1 } { 4 } ) - 6 ( \frac { 1 } { 2 } ) 3 ( - 1 / 3 )
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-1-6\times \frac{1}{2}\times 3\left(-\frac{1}{3}\right)
Cancel out 4 and 4.
-1-\frac{6}{2}\times 3\left(-\frac{1}{3}\right)
Multiply 6 and \frac{1}{2} to get \frac{6}{2}.
-1-3\times 3\left(-\frac{1}{3}\right)
Divide 6 by 2 to get 3.
-1-9\left(-\frac{1}{3}\right)
Multiply 3 and 3 to get 9.
-1-\frac{9\left(-1\right)}{3}
Express 9\left(-\frac{1}{3}\right) as a single fraction.
-1-\frac{-9}{3}
Multiply 9 and -1 to get -9.
-1-\left(-3\right)
Divide -9 by 3 to get -3.
-1+3
The opposite of -3 is 3.
2
Add -1 and 3 to get 2.
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}