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Math Help - Simple Question Regarding Order of Operations

  1. #1
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    Question Simple Question Regarding Order of Operations

    Order of Operations
    2(−4)2 + (6)(−4) − (−8) = 16

    Why does this expression not equal -48? Should not it simplify to:
    = -16 * 2 + (-24) + 8
    = -32 -16
    = -48

    To my understanding, I am following the PEMDAS process to achieve -48; alas, my calculator disagrees. It would seem that perhaps either the 32 or 16 should not be negative? Any insight as to what operations I am performing incorrectly would be greatly appreciated.
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  2. #2
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    Re: Simple Question Regarding Order of Operations

    Quote Originally Posted by mrmagniloquent View Post
    order of operations
    2(−4)2 + (6)(−4) − (−8) = 16

    why does this expression not equal -48? Should not it simplify to:
    = -16 * 2 + (-24) + 8
    = -32 -16
    = -48

    2(-4)^2=32 not -32.
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  3. #3
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    Re: Simple Question Regarding Order of Operations

    Of course it does! Please forgive my oblivious oversight. I failed to see the forest through the trees. Thank you!
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