Evaluate
14
Factor
2\times 7
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\frac{-3+\sqrt{9}-4\times 8\left(-7\right)}{2\times 8}
Calculate 3 to the power of 2 and get 9.
\frac{-3+3-4\times 8\left(-7\right)}{2\times 8}
Calculate the square root of 9 and get 3.
\frac{0-4\times 8\left(-7\right)}{2\times 8}
Add -3 and 3 to get 0.
\frac{0-32\left(-7\right)}{2\times 8}
Multiply 4 and 8 to get 32.
\frac{0-\left(-224\right)}{2\times 8}
Multiply 32 and -7 to get -224.
\frac{0+224}{2\times 8}
The opposite of -224 is 224.
\frac{224}{2\times 8}
Add 0 and 224 to get 224.
\frac{224}{16}
Multiply 2 and 8 to get 16.
14
Divide 224 by 16 to get 14.
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}