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Math Help - How to factor 4th degree polynomials

  1. #1
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    How to factor 4th degree polynomials

    How do you factor
    x^4+2x^2-8=0 ?
    all steps please and thanks!
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by hypermonkee View Post
    How do you factor
    x^4+2x^2-8=0 ?
    all steps please and thanks!
    let a = x^2, then you have

    a^2 + 2a - 8 = 0

    think you can take it from here?
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