Evaluate
-17
Factor
-17
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8-4\left(3+6\left(-2\right)+4+9\right)-9
Subtract 3 from 1 to get -2.
8-4\left(3-12+4+9\right)-9
Multiply 6 and -2 to get -12.
8-4\left(-9+4+9\right)-9
Subtract 12 from 3 to get -9.
8-4\left(-5+9\right)-9
Add -9 and 4 to get -5.
8-4\times 4-9
Add -5 and 9 to get 4.
8-16-9
Multiply 4 and 4 to get 16.
-8-9
Subtract 16 from 8 to get -8.
-17
Subtract 9 from -8 to get -17.
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}