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Girl_Ninja

What is the product of the radical expression?

  • one year ago
  • one year ago

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  1. Girl_Ninja
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    • one year ago
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    |dw:1354637266918:dw|

    • one year ago
  3. richyw
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    b

    • one year ago
  4. Girl_Ninja
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    thanks and could you tell me how

    • one year ago
  5. richyw
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    yup i was doing that

    • one year ago
  6. Girl_Ninja
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    ok

    • one year ago
  7. richyw
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    oops, not b haha just a sec. just woke up haha

    • one year ago
  8. Girl_Ninja
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    lol ok

    • one year ago
  9. richyw
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    it's -8

    • one year ago
  10. richyw
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    remember that \((a+b)(a-b)=a^2-b^2\)

    • one year ago
  11. Girl_Ninja
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    o ok

    • one year ago
  12. richyw
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    so you have \(\sqrt{2}^2-\sqrt{10}^2=10-2=-8\)

    • one year ago
  13. Girl_Ninja
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    o wow I totally get it now thanks alot

    • one year ago
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