Evaluate
6x^{3}+2x^{2}+18x+\frac{3}{x}
Factor
\frac{6x^{4}+2x^{3}+18x^{2}+3}{x}
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\frac{\left(6x^{3}+2x^{2}+18x\right)x}{x}+\frac{3}{x}
To add or subtract expressions, expand them to make their denominators the same. Multiply 6x^{3}+2x^{2}+18x times \frac{x}{x}.
\frac{\left(6x^{3}+2x^{2}+18x\right)x+3}{x}
Since \frac{\left(6x^{3}+2x^{2}+18x\right)x}{x} and \frac{3}{x} have the same denominator, add them by adding their numerators.
\frac{6x^{4}+2x^{3}+18x^{2}+3}{x}
Do the multiplications in \left(6x^{3}+2x^{2}+18x\right)x+3.
Examples
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Limits
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