What is (2-sqrt(8))/2 ?

The solution to (2-sqrt(8))/2 is 1-sqrt(2)

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simplify (2-sqrt(8))/2

simplify

\frac{2 - 8}{2}

1 - 2

Decimal Notation

- 0.41421 \dots

Solution steps

\frac{2 - 8}{2}

8 = 22

= \frac{2 - 2 2}{2}

Factor out common term

2 : 2 (1 - 2)

= \frac{2 ( 1 - 2 )}{2}

Cancel the common factor:

2

= 1 - 2

a^{2} - 2 a^{3} b + 2 a b^{3} - b^{2}

\frac{1}{4} x^{3}

5 a^{2} + 13 a - 6

\frac{1}{2} \times \frac{1}{3}

x^{2} \cdot \frac{1}{x ^{2}}