Evaluate
-18
Factor
-18
Share
Copied to clipboard
-10-\left(-4\right)+6-5-8-6+4-\left(-3\right)-6
Subtract 3 from -7 to get -10.
-10+4+6-5-8-6+4-\left(-3\right)-6
The opposite of -4 is 4.
-6+6-5-8-6+4-\left(-3\right)-6
Add -10 and 4 to get -6.
-5-8-6+4-\left(-3\right)-6
Add -6 and 6 to get 0.
-13-6+4-\left(-3\right)-6
Subtract 8 from -5 to get -13.
-19+4-\left(-3\right)-6
Subtract 6 from -13 to get -19.
-15-\left(-3\right)-6
Add -19 and 4 to get -15.
-15+3-6
The opposite of -3 is 3.
-12-6
Add -15 and 3 to get -12.
-18
Subtract 6 from -12 to get -18.
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}