Evaluate
3
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3
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4+\frac{6-\left(-3\times 2\right)}{4}-\frac{5}{\frac{5}{9}}\times \left(\frac{2}{3}\right)^{2}
Calculate -2 to the power of 2 and get 4.
4+\frac{6-\left(-6\right)}{4}-\frac{5}{\frac{5}{9}}\times \left(\frac{2}{3}\right)^{2}
Multiply -3 and 2 to get -6.
4+\frac{6+6}{4}-\frac{5}{\frac{5}{9}}\times \left(\frac{2}{3}\right)^{2}
The opposite of -6 is 6.
4+\frac{12}{4}-\frac{5}{\frac{5}{9}}\times \left(\frac{2}{3}\right)^{2}
Add 6 and 6 to get 12.
4+3-\frac{5}{\frac{5}{9}}\times \left(\frac{2}{3}\right)^{2}
Divide 12 by 4 to get 3.
7-\frac{5}{\frac{5}{9}}\times \left(\frac{2}{3}\right)^{2}
Add 4 and 3 to get 7.
7-5\times \frac{9}{5}\times \left(\frac{2}{3}\right)^{2}
Divide 5 by \frac{5}{9} by multiplying 5 by the reciprocal of \frac{5}{9}.
7-9\times \left(\frac{2}{3}\right)^{2}
Cancel out 5 and 5.
7-9\times \frac{4}{9}
Calculate \frac{2}{3} to the power of 2 and get \frac{4}{9}.
7-4
Cancel out 9 and 9.
3
Subtract 4 from 7 to get 3.
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}