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\frac{1}{4}\left(\frac{4900}{x}+\frac{xx}{x}\right)
To add or subtract expressions, expand them to make their denominators the same. Multiply x times \frac{x}{x}.
\frac{1}{4}\times \frac{4900+xx}{x}
Since \frac{4900}{x} and \frac{xx}{x} have the same denominator, add them by adding their numerators.
\frac{1}{4}\times \frac{4900+x^{2}}{x}
Do the multiplications in 4900+xx.
\frac{4900+x^{2}}{4x}
Multiply \frac{1}{4} times \frac{4900+x^{2}}{x} by multiplying numerator times numerator and denominator times denominator.
\frac{1}{4}\left(\frac{4900}{x}+\frac{xx}{x}\right)
To add or subtract expressions, expand them to make their denominators the same. Multiply x times \frac{x}{x}.
\frac{1}{4}\times \frac{4900+xx}{x}
Since \frac{4900}{x} and \frac{xx}{x} have the same denominator, add them by adding their numerators.
\frac{1}{4}\times \frac{4900+x^{2}}{x}
Do the multiplications in 4900+xx.
\frac{4900+x^{2}}{4x}
Multiply \frac{1}{4} times \frac{4900+x^{2}}{x} by multiplying numerator times numerator and denominator times denominator.