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jadi

  • 3 years ago

x^4-6x^3-7x^2=0 ,x1=?,x2=?,x3=?,x4=?

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  1. jefftheloveableguy
    • 3 years ago
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    So you factor this into: x^2(x^2-6x-7)=0 factor what is inside the parenthesis and get: x^2(x-7)(x+1)= The double root means you will have 0 twice, 7. and -1 as the roots

  2. jadi
    • 3 years ago
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    what does that mean double root could u plz explain

  3. cwrw238
    • 3 years ago
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    the double root is 0 x^2 = 0

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