Evaluate
9
Factor
3^{2}
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6a\left(64-4^{3}\right)+9
Calculate 8 to the power of 2 and get 64.
6a\left(64-64\right)+9
Calculate 4 to the power of 3 and get 64.
6a\times 0+9
Subtract 64 from 64 to get 0.
0a+9
Multiply 6 and 0 to get 0.
0+9
Anything times zero gives zero.
9
Add 0 and 9 to get 9.
9
Factor out 3.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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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}