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\frac{3x}{2}+\frac{5}{x}
Calculate x to the power of 1 and get x.
\frac{3xx}{2x}+\frac{5\times 2}{2x}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 2 and x is 2x. Multiply \frac{3x}{2} times \frac{x}{x}. Multiply \frac{5}{x} times \frac{2}{2}.
\frac{3xx+5\times 2}{2x}
Since \frac{3xx}{2x} and \frac{5\times 2}{2x} have the same denominator, add them by adding their numerators.
\frac{3x^{2}+10}{2x}
Do the multiplications in 3xx+5\times 2.