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x=\frac{3}{5}+\frac{\sqrt{2}}{\left(\sqrt{2}\right)^{2}}+\sqrt{3}
Rationalize the denominator of \frac{1}{\sqrt{2}} by multiplying numerator and denominator by \sqrt{2}.
x=\frac{3}{5}+\frac{\sqrt{2}}{2}+\sqrt{3}
The square of \sqrt{2} is 2.
x=\frac{3\times 2}{10}+\frac{5\sqrt{2}}{10}+\sqrt{3}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 5 and 2 is 10. Multiply \frac{3}{5} times \frac{2}{2}. Multiply \frac{\sqrt{2}}{2} times \frac{5}{5}.
x=\frac{3\times 2+5\sqrt{2}}{10}+\sqrt{3}
Since \frac{3\times 2}{10} and \frac{5\sqrt{2}}{10} have the same denominator, add them by adding their numerators.
x=\frac{6+5\sqrt{2}}{10}+\sqrt{3}
Do the multiplications in 3\times 2+5\sqrt{2}.
x=\frac{3}{5}+\frac{1}{2}\sqrt{2}+\sqrt{3}
Divide each term of 6+5\sqrt{2} by 10 to get \frac{3}{5}+\frac{1}{2}\sqrt{2}.