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Math Help - Quick homework help...

  1. #1
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    Quick homework help...

    Could some explain how i could i start these problems?

    and
    solving this by factoring

    Thanks for the help

    thind06
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  2. #2
    MHF Contributor
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    Quote Originally Posted by thind06 View Post
    Could some explain how i could i start these problems?
    To learn how to get started, try studying some online lessons on solving radical equations and factoring quadratics.

    Once you've learned the basic terms and techniques, you can attempt the exercises. For the first one, a good start would be to subtract the x to the right-hand side, and then square both sides, keeping in mind that (8 - x)^2 means (8 - x)(8 - x).

    For the second one, I'm not sure if they want you to square first, and then solve by factoring, or else rearrange as follows:

    . . . . . \left(\sqrt{x}\right)^2\, -\, 1\sqrt{x}\, -\, 6\, =\, 0

    ...and then solving by factoring this quadratic-type equation. Check your book and your class notes for advice on this.

    If you get stuck, please reply showing all of your work and reasoning so far. Thank you!
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