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RonnyDeKoning Group Title

How do i change this? -2

  • 2 years ago
  • 2 years ago

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  1. RonnyDeKoning Group Title
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    \[-2\div \sqrt{5} = (-2\sqrt{5})\div5\]

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

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

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

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

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

    • 2 years ago
  7. RonnyDeKoning Group Title
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    Oh my bad, ty, saw it wrong.

    • 2 years ago
  8. gohangoku58 Group Title
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    no problem...

    • 2 years ago
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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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