Evaluate
-\frac{31\sqrt{2}}{4}-1\approx -11.960155108
Factor
\frac{-31 \sqrt{2} - 4}{4} = -11.960155108391488
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\frac{5}{4}\sqrt{2}-1-5\sqrt{2}-4\sqrt{2}
Combine 2\sqrt{2} and -\frac{3}{4}\sqrt{2} to get \frac{5}{4}\sqrt{2}.
-\frac{15}{4}\sqrt{2}-1-4\sqrt{2}
Combine \frac{5}{4}\sqrt{2} and -5\sqrt{2} to get -\frac{15}{4}\sqrt{2}.
-\frac{31}{4}\sqrt{2}-1
Combine -\frac{15}{4}\sqrt{2} and -4\sqrt{2} to get -\frac{31}{4}\sqrt{2}.
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