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Can You Show Your Work And Solve It By Using Quadratic Formula?

(c) 2 = 0.7n + 0.6n2

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    2 = 0.7n + 0.6n2
    0 = 0.6n2 + 0.7n - 2
    0 = 6n2 + 7n - 20

    x = -7 +/- √((-7)2 - 4(6)(-20)) / 2(6)
    x = -7 +/- √(49 + 480) / 12
    x = -7 +/- √(529) / 12
    x = (-7 +/- 23) / 12
    x = 1.3, -2.5
    0 0

    Hwagr 

    answered 1 year ago

      Need to make visual demonstration of quadratic equation in real life algebra as it applies to an engineer building a bridge please show work
      0 0

      Patrici15 

      answered 6 months ago

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