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Popular >

simplify 7/(2-sqrt(5))

Solution

simplify

\frac{7}{2 - 5}

Solution

- 14 - 75

+1

Decimal Notation

- 29.65247 \dots

Solution steps

\frac{7}{2 - 5}

Multiply by the conjugate

\frac{2 + 5}{2 + 5}

= \frac{7 ( 2 + 5 )}{( 2 - 5 ) ( 2 + 5 )}

Expand

7 (2 + 5) : 14 + 75

Expand

(2 - 5) (2 + 5) : - 1

= \frac{14 + 7 5}{- 1}

\frac{14 + 7 5}{- 1} = - 14 - 75

= - 14 - 75

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Frequently Asked Questions (FAQ)

What is 7/(2-sqrt(5)) ?
The solution to 7/(2-sqrt(5)) is -14-7sqrt(5)