Evaluate
-1
Factor
-1
Quiz
Arithmetic
5 problems similar to:
( - 7 ) \cdot ( + 1 ) - [ ( - 5 ) + ( - 2 ) - ( - 3 ) ] - ( - 2 ) =
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-7-\left(-5-2-\left(-3\right)\right)-\left(-2\right)
Multiply -7 and 1 to get -7.
-7-\left(-7-\left(-3\right)\right)-\left(-2\right)
Subtract 2 from -5 to get -7.
-7-\left(-7+3\right)-\left(-2\right)
The opposite of -3 is 3.
-7-\left(-4\right)-\left(-2\right)
Add -7 and 3 to get -4.
-7+4-\left(-2\right)
The opposite of -4 is 4.
-3-\left(-2\right)
Add -7 and 4 to get -3.
-3+2
The opposite of -2 is 2.
-1
Add -3 and 2 to get -1.
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}