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powerangers69

  • 3 years ago

how to simplify sqrt(12^2+12^2x3) ?

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  1. powerangers69
    • 3 years ago
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    \[\sqrt{12^2+12^2\times 3} \]

  2. baddinlol
    • 3 years ago
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    \[\sqrt{144 +432}= \sqrt{576} = \sqrt{24^2}=24\]

  3. powerangers69
    • 3 years ago
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    what if u dunno 576=24^2

  4. powerangers69
    • 3 years ago
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    the worked solns had sqrt(4x144)=24 how did they get that 4x144

  5. powerangers69
    • 3 years ago
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    nvmm

  6. baddinlol
    • 3 years ago
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    OK do you know what 576 is divisible by 4

  7. baddinlol
    • 3 years ago
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    Yeah you could have done \[\sqrt{144*4}=2\sqrt{144} = 2*12= 24\]

  8. powerangers69
    • 3 years ago
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    yeah my bad ..

  9. powerangers69
    • 3 years ago
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    is there a way to find highest perfect square ? cant remmeber l..

  10. baddinlol
    • 3 years ago
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    You need to remember these numbers 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 196, 225.

  11. powerangers69
    • 3 years ago
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    hm cant remember but i think teacher showed something like keep halving until u find squares.. 3 years ago ..

  12. powerangers69
    • 3 years ago
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    like 576 = 2x288= 4x144

  13. baddinlol
    • 3 years ago
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    OH yeah that could work

  14. powerangers69
    • 3 years ago
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    oh is it just breaking it down into its factors .. xd

  15. baddinlol
    • 3 years ago
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    Thats it =D

  16. powerangers69
    • 3 years ago
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    thankss

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