Evaluate
7
Factor
7
Quiz
Arithmetic
5 problems similar to:
+ 1 - [ - 4 + ( - 10 ) : ( - 5 ) ] + [ + 3 + ( - 9 ) : ( - 9 ) ]
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1-\left(-4+\frac{-10}{-5}\right)+3+1
Divide -9 by -9 to get 1.
1-\left(-4+2\right)+3+1
Divide -10 by -5 to get 2.
1-\left(-2\right)+3+1
Add -4 and 2 to get -2.
1+2+3+1
The opposite of -2 is 2.
3+3+1
Add 1 and 2 to get 3.
6+1
Add 3 and 3 to get 6.
7
Add 6 and 1 to get 7.
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}