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anonymous

  • 4 years ago

(7 plus square root of 3) (7 minus square root of 3) HELP MEEE!

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  1. campbell_st
    • 4 years ago
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    this is the difference of 2 squares.... square 7 and then subtract (root 3)^2

  2. anonymous
    • 4 years ago
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    can you explain more please?

  3. anonymous
    • 4 years ago
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    |dw:1327559942549:dw|

  4. anonymous
    • 4 years ago
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    thanks, that was correct :)

  5. campbell_st
    • 4 years ago
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    in binomial expansion, same terms in both sets on brackets with a different operator is called the difference of 2 squares... to expand just square each term and subtract. both brackets have 7 and root 3.... the difference is the 1st bracket has a - and the 2nd a +

  6. anonymous
    • 4 years ago
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    ok, thank!

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