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Math Help - confused

  1. #1
    Amy
    Amy is offline
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    confused

    please help me
    I am confuse with a) and b) of the following . what is the difference between them?
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  2. #2
    Senior Member OReilly's Avatar
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    Quote Originally Posted by Amy View Post
    please help me
    I am confuse with a) and b) of the following . what is the difference between them?
    They are both the same.

    -2^2=-(2)^2=-4
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  3. #3
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by Amy View Post
    please help me
    I am confuse with a) and b) of the following . what is the difference between them?
    But
    (-2)^2 = (-2)(-2) = 4

    -Dan
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