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Mrs.Sheppard

  • 3 years ago

use the quadratic formula to solve the quadratic equation x^{2}-8x-4=0

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  1. FaisalAyaz
    • 3 years ago
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    compare this equation general quadratic equation ax^{2}+bx+c find values of a,b and c. As ax^{2}+bx+c=x^{2}-8x-4. So a=1,b=-8,c=-4

  2. FaisalAyaz
    • 3 years ago
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    Then Put values of a,b,c in Quadratic Formula To Get Answer Which Is: \[x=-b \pm \sqrt{b^{2}-4ac} / 2a\]

  3. FaisalAyaz
    • 3 years ago
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    U Got It Mrs.Sheppard?

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