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Math Help - eee, why can't I perform this indicated operation

  1. #1
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    eee, why can't I perform this indicated operation

    5x2 6a2y 12a4

    25cx2 incase you can't read
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    Last edited by MathGuru; June 14th 2006 at 03:42 PM.
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  2. #2
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    Quote Originally Posted by JohnAthan

    5x2 6a2y 12a4

    25cx2 incase you can't read
    Let me do the second one.
    It is a common error.

    You have,
    (x+y)^2=(x+y)(x+y)
    Use FOIL and get,
    x^2+xy+xy+y^2
    COmbine,
    x^2+2xy+y^2
    Last edited by MathGuru; June 14th 2006 at 03:41 PM.
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  3. #3
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    JohnAthan,

    Try learning LaTex it is wothwhile here is a LaTex tutorial.

    Quote Originally Posted by JohnAthan

    5x2 6a2y 12a4

    25cx2 incase you can't read
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