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Thread: Please help with solving for zero

  1. February 12th 2009, 04:24 PM #1
    runner940
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    Please help with solving for zero

    equation: (w+5)(6w^2-18)=0

    I know one zero equals -5, can you help me find the other?
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  2. February 12th 2009, 04:46 PM #2
    mr fantastic
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    Quote Originally Posted by runner940 View Post
    equation: (w+5)(6w^2-18)=0

    I know one zero equals -5, can you help me find the other?
    (w + 5) \cdot 6(w^2 - 3) = 0 \Rightarrow 6 (w + 5)(w - \sqrt{3})(w + \sqrt{3}) = 0 \, ....
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