What is (21sqrt(5))/(-7sqrt(125)) ?

The solution to (21sqrt(5))/(-7sqrt(125)) is -3/5

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simplify (21sqrt(5))/(-7sqrt(125))

simplify

\frac{21 5}{- 7 125}

- \frac{3}{5}

Solution steps

\frac{21 5}{- 7 125}

Factor the number:

21 = 7 \cdot 3

= \frac{7 \cdot 3 5}{- 7 125}

Cancel the common factor:

7

= \frac{3 5}{- 125}

Factor

- 125 : - 5 \cdot 5

= \frac{3 5}{- 5 \cdot 5}

Cancel the common factor:

5

= \frac{3}{- 5}

Apply the fraction rule:

\frac{a}{- b} = - \frac{a}{b}

= - \frac{3}{5}

- 7 + 6 ∣ 3 x - 9 ∣ = - 61

n^{2} + 6 n - 16

- 2 x - 7 = x - 37

y^{2} = 1156 - 1 6^{2}

- 4 x^{2} + 10 = 0

What is (21sqrt(5))/(-7sqrt(125)) ?
The solution to (21sqrt(5))/(-7sqrt(125)) is -3/5