Evaluate
-\frac{258963}{4}+\frac{3}{22x^{2}}
Factor
-\frac{\frac{3}{44}\left(949531x^{2}-2\right)}{x^{2}}
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\frac{45}{330x^{2}}-\frac{258963}{4}
Multiply 6 and 55 to get 330.
\frac{45\times 2}{660x^{2}}-\frac{258963\times 165x^{2}}{660x^{2}}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 330x^{2} and 4 is 660x^{2}. Multiply \frac{45}{330x^{2}} times \frac{2}{2}. Multiply \frac{258963}{4} times \frac{165x^{2}}{165x^{2}}.
\frac{45\times 2-258963\times 165x^{2}}{660x^{2}}
Since \frac{45\times 2}{660x^{2}} and \frac{258963\times 165x^{2}}{660x^{2}} have the same denominator, subtract them by subtracting their numerators.
\frac{90-42728895x^{2}}{660x^{2}}
Do the multiplications in 45\times 2-258963\times 165x^{2}.
\frac{45\left(-949531x^{2}+2\right)}{660x^{2}}
Factor the expressions that are not already factored in \frac{90-42728895x^{2}}{660x^{2}}.
\frac{3\left(-949531x^{2}+2\right)}{44x^{2}}
Cancel out 15 in both numerator and denominator.
\frac{-2848593x^{2}+6}{44x^{2}}
Use the distributive property to multiply 3 by -949531x^{2}+2.
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}