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anonymous

  • 5 years ago

simplify (√7+√5)^2 using Foil.......multiply the first terms what are the products

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  1. watchmath
    • 5 years ago
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    :)

  2. anonymous
    • 5 years ago
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    smiles made me smile lol

  3. anonymous
    • 5 years ago
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    \[(\sqrt{7}+\sqrt{5})(\sqrt{7}+\sqrt{5}) = \sqrt{7}^2+2\sqrt{35}+\sqrt{5}^2\] \[12 + 2\sqrt{35}\]

  4. gw2011
    • 5 years ago
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    I hope this is what you are looking for: square root 7*square root 7=7 square root 7*square root 5= square root 35 square root 5*square root 7=square 35 square root 5*square root 5=5 Therefore, the answer is 12+2(square root 35)

  5. anonymous
    • 5 years ago
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    ^ + 1 for writing by hand

  6. gw2011
    • 5 years ago
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    Correction: square 35 should be square root 35

  7. anonymous
    • 5 years ago
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    What's Foil?!

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