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Thread: Can I combine like terms?

  1. April 23rd 2009, 02:15 PM #1
    Shadowfox1
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    Can I combine like terms?

    The problem is a(x-y)-b(y-x) and I get ax+bx-ay-by. Am I done or can I combine anything?
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  2. April 23rd 2009, 02:44 PM #2
    Unenlightened
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    Quote Originally Posted by Shadowfox1 View Post
    The problem is a(x-y)-b(y-x) and I get ax+bx-ay-by. Am I done or can I combine anything?
    Well, you could say (a+b)x - (a+b)y
    And (a+b)(x-y)

    Short enough for you?
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  3. April 23rd 2009, 02:52 PM #3
    Shadowfox1
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    Great. Thats exactly what I was looking for. Thanks.
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