Evaluate
3x^{5}+7x^{4}-11x^{3}+8x^{2}-29x+2+\frac{5}{x^{2}}
Factor
\frac{3x^{7}+7x^{6}-11x^{5}+8x^{4}-29x^{3}+2x^{2}+5}{x^{2}}
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3x^{5}+7x^{4}-11x^{3}+8x^{2}-29x+\frac{5}{x^{2}}+2
Combine -32x and 3x to get -29x.
\frac{\left(3x^{5}+7x^{4}-11x^{3}+8x^{2}-29x+2\right)x^{2}}{x^{2}}+\frac{5}{x^{2}}
To add or subtract expressions, expand them to make their denominators the same. Multiply 3x^{5}+7x^{4}-11x^{3}+8x^{2}-29x+2 times \frac{x^{2}}{x^{2}}.
\frac{\left(3x^{5}+7x^{4}-11x^{3}+8x^{2}-29x+2\right)x^{2}+5}{x^{2}}
Since \frac{\left(3x^{5}+7x^{4}-11x^{3}+8x^{2}-29x+2\right)x^{2}}{x^{2}} and \frac{5}{x^{2}} have the same denominator, add them by adding their numerators.
\frac{3x^{7}+7x^{6}-11x^{5}+8x^{4}-29x^{3}+2x^{2}+5}{x^{2}}
Do the multiplications in \left(3x^{5}+7x^{4}-11x^{3}+8x^{2}-29x+2\right)x^{2}+5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}