Evaluate
36
Factor
2^{2}\times 3^{2}
Quiz
Arithmetic
5 problems similar to:
= 30 + ( \frac { 16 - 10 } { 2 \times 16 - 10 - 12 } ) \times 10
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30+\frac{6}{2\times 16-10-12}\times 10
Subtract 10 from 16 to get 6.
30+\frac{6}{32-10-12}\times 10
Multiply 2 and 16 to get 32.
30+\frac{6}{22-12}\times 10
Subtract 10 from 32 to get 22.
30+\frac{6}{10}\times 10
Subtract 12 from 22 to get 10.
30+\frac{3}{5}\times 10
Reduce the fraction \frac{6}{10} to lowest terms by extracting and canceling out 2.
30+\frac{3\times 10}{5}
Express \frac{3}{5}\times 10 as a single fraction.
30+\frac{30}{5}
Multiply 3 and 10 to get 30.
30+6
Divide 30 by 5 to get 6.
36
Add 30 and 6 to get 36.
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}