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Math Help - Equation

  1. #1
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    Equation

    Hi There,

    Can some one please help me with equation a bit rusty after after 15 years or so:

    5x 2 2x + 3=!

    Now thinking the answer is 3x + -1! Any help please
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  2. #2
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    Quote Originally Posted by squidge View Post
    Hi There,

    Can some one please help me with equation a bit rusty after after 15 years or so:

    5x 2 2x + 3=!

    Now thinking the answer is 3x + -1! Any help please
    You are close:
    5x - 2 - 2x + 3

    = (5x - 2x) + (-2 + 3)

    = 3x + 1

    -Dan
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