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Math Help - ***Need Help with online Math quiz*** Final in 2 weeks

  1. #1
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    ***Need Help with online Math quiz*** Final in 2 weeks

    If someone can help me with Factoring polynomials, it would be greatly appreciated . College level*

    I have 8 questions on the quiz, I know some of them though some are hard.

    Thanks!

    8x2(squared) + x - 7 = (8x-_)(x+_)

    I forgot how to solve for the other numbers. Is it GFC. Can some one help me?
    Last edited by Mrbigbusiness; December 7th 2008 at 10:15 PM.
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  2. #2
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    Quote Originally Posted by Mrbigbusiness View Post
    If someone can help me with Factoring polynomials, it would be greatly appreciated . College level*

    I have 8 questions on the quiz, I know some of them though some are hard.

    Thanks!

    8x2(squared) + x - 7 = (8x-_)(x+_)

    I forgot how to solve for the other numbers. Is it GFC. Can some one help me?
    Consider (8x - a) (x + b) ..... You need to find values of a and b so that when you expand (8x - a) (x + b) you get 8x^2 + x - 7. Try a little bit of trial and error .....

    Since this is part of an on-line test it's not appropriate to ask for help so I'm closing the thread.
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