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RonnyDeKoning

  • 3 years ago

How do i change this? -2

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  1. RonnyDeKoning
    • 3 years ago
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    \[-2\div \sqrt{5} = (-2\sqrt{5})\div5\]

  2. RonnyDeKoning
    • 3 years ago
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    I don't understand how that is equal.

  3. gohangoku58
    • 3 years ago
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    multiplying numerator and denominator by \(\sqrt5\) \(\sqrt5\)\(\sqrt5=5\)

  4. RonnyDeKoning
    • 3 years ago
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    Do you have to multiple -2 too, if not, why?

  5. gohangoku58
    • 3 years ago
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    -2 remains as -2, from first step to last answer.....

  6. gohangoku58
    • 3 years ago
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    \(\huge \frac{-2\sqrt5}{\sqrt5\sqrt5}=\frac{-2\sqrt5}{5}\)

  7. RonnyDeKoning
    • 3 years ago
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    Oh my bad, ty, saw it wrong.

  8. gohangoku58
    • 3 years ago
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    no problem...

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