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carlenstar281

  • 2 years ago

help me math expression :/

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  1. 009infinity
    • 2 years ago
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    ???where??????

  2. Snipa420
    • 2 years ago
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    Everywhere

  3. Snipa420
    • 2 years ago
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    64-11

  4. carlenstar281
    • 2 years ago
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    wait what?

  5. galacticwavesXX
    • 2 years ago
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    \[(8 +√11 )(8 –√11 ) \rightarrow 8*8-8\sqrt{11}+8\sqrt{11}-\sqrt{11}*\sqrt{11}\] which simplified you get \[64-11\] \[-\sqrt{11}*\sqrt{11}=-11\] the square root cancels out

  6. carlenstar281
    • 2 years ago
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    oh i get that

  7. galacticwavesXX
    • 2 years ago
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    yup just remember the FOIL concept and you will be good

  8. carlenstar281
    • 2 years ago
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    okay i will so the answer then would be 64 +/11

  9. Snipa420
    • 2 years ago
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    No it would be 64 - 11

  10. Snipa420
    • 2 years ago
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    or 53

  11. carlenstar281
    • 2 years ago
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    oh I see it got thankyou for your help :)

  12. galacticwavesXX
    • 2 years ago
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    good eye @Snipa420 i didnt see the 53 option the answer is 53

  13. Snipa420
    • 2 years ago
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    Go for it

  14. galacticwavesXX
    • 2 years ago
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    nope the answer would be A

  15. galacticwavesXX
    • 2 years ago
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    first thing you must look at is the square root. you can see that they aren't the same when adding radicals together they must have the same radical.

  16. galacticwavesXX
    • 2 years ago
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    we can see the 1st one is \[2\sqrt{6}\] and the 2nd one is \[3\sqrt{96}\] you now have to find 2 multiples that would equal 96 so you can remain with a \[\sqrt{6}\]

  17. galacticwavesXX
    • 2 years ago
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    \[3\sqrt{16*6}=3\sqrt{16}*\sqrt{6}\rightarrow 3*4\sqrt{6}\rightarrow 12\sqrt{6}\]

  18. galacticwavesXX
    • 2 years ago
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    and all you have to do is add them together You welcome anytime!!

  19. carlenstar281
    • 2 years ago
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    now i can do the rest with no problem thanks again

  20. galacticwavesXX
    • 2 years ago
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    yup

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