Evaluate
99
Factor
3^{2}\times 11
Quiz
Arithmetic
5 problems similar to:
- 49 \frac { 7 } { 8 } \times 8 + 9 \frac { 24 } { 25 } \times 50
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\left(-\frac{392+7}{8}\right)\times 8+\frac{9\times 25+24}{25}\times 50
Multiply 49 and 8 to get 392.
-\frac{399}{8}\times 8+\frac{9\times 25+24}{25}\times 50
Add 392 and 7 to get 399.
-399+\frac{9\times 25+24}{25}\times 50
Cancel out 8 and 8.
-399+\frac{225+24}{25}\times 50
Multiply 9 and 25 to get 225.
-399+\frac{249}{25}\times 50
Add 225 and 24 to get 249.
-399+\frac{249\times 50}{25}
Express \frac{249}{25}\times 50 as a single fraction.
-399+\frac{12450}{25}
Multiply 249 and 50 to get 12450.
-399+498
Divide 12450 by 25 to get 498.
99
Add -399 and 498 to get 99.
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}