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anonymous

  • 5 years ago

Rationalizing the denominator?

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  1. anonymous
    • 5 years ago
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  2. watchmath
    • 5 years ago
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    Hi andreamarie. You can make an equation by using the equation button right on the left corner below.

  3. anonymous
    • 5 years ago
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    very helpful thank you!

  4. anonymous
    • 5 years ago
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    \[5\sqrt{3}+2\div(\sqrt{3}-1)\]

  5. watchmath
    • 5 years ago
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    \(\frac{5\sqrt{3}+2}{\sqrt{3}-1}\cdot\frac{\sqrt{3}+1}{\sqrt{3}+1}=\frac{7\sqrt{3+}+17}{2}\)

  6. anonymous
    • 5 years ago
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    why is the numerator 7 \[\sqrt{3}\]

  7. watchmath
    • 5 years ago
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    Try to foil \((5\sqrt{3}+2)(\sqrt{3}+1)\)

  8. anonymous
    • 5 years ago
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    got it ! thank you!!

  9. watchmath
    • 5 years ago
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    If I am being helpful, press good answer button :D :D.

  10. anonymous
    • 5 years ago
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    done ! :)

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