Evaluate
-\frac{5\sqrt{2}}{4}+8\approx 6.232233047
Factor
\frac{32 - 5 \sqrt{2}}{4} = 6.232233047033631
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\frac{8\times 4}{4}-\frac{5\sqrt{2}}{4}
To add or subtract expressions, expand them to make their denominators the same. Multiply 8 times \frac{4}{4}.
\frac{8\times 4-5\sqrt{2}}{4}
Since \frac{8\times 4}{4} and \frac{5\sqrt{2}}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{32-5\sqrt{2}}{4}
Do the multiplications in 8\times 4-5\sqrt{2}.
Examples
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Limits
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