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\sqrt{25}-\sqrt[3]{-\frac{15\times 8+5}{8}}+\sqrt{\frac{5\times 16+1}{16}}-1
Calculate -5 to the power of 2 and get 25.
5-\sqrt[3]{-\frac{15\times 8+5}{8}}+\sqrt{\frac{5\times 16+1}{16}}-1
Calculate the square root of 25 and get 5.
5-\sqrt[3]{-\frac{120+5}{8}}+\sqrt{\frac{5\times 16+1}{16}}-1
Multiply 15 and 8 to get 120.
5-\sqrt[3]{-\frac{125}{8}}+\sqrt{\frac{5\times 16+1}{16}}-1
Add 120 and 5 to get 125.
5-\left(-\frac{5}{2}\right)+\sqrt{\frac{5\times 16+1}{16}}-1
Calculate \sqrt[3]{-\frac{125}{8}} and get -\frac{5}{2}.
5+\frac{5}{2}+\sqrt{\frac{5\times 16+1}{16}}-1
The opposite of -\frac{5}{2} is \frac{5}{2}.
\frac{15}{2}+\sqrt{\frac{5\times 16+1}{16}}-1
Add 5 and \frac{5}{2} to get \frac{15}{2}.
\frac{15}{2}+\sqrt{\frac{80+1}{16}}-1
Multiply 5 and 16 to get 80.
\frac{15}{2}+\sqrt{\frac{81}{16}}-1
Add 80 and 1 to get 81.
\frac{15}{2}+\frac{9}{4}-1
Rewrite the square root of the division \frac{81}{16} as the division of square roots \frac{\sqrt{81}}{\sqrt{16}}. Take the square root of both numerator and denominator.
\frac{39}{4}-1
Add \frac{15}{2} and \frac{9}{4} to get \frac{39}{4}.
\frac{35}{4}
Subtract 1 from \frac{39}{4} to get \frac{35}{4}.