Allen S. answered 01/07/15
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Coefficients are a = 9, b = -3, c = -1
Quadratic formula is:
x = (-b ± √(b2 - 4ac))/2a
Plug in the values and solve:
x = (-(-3) ± √((-3)2 - 4(9)(-1))/2(9)
x = (3 ± √(9 + 36))/18
x = (3 ± √45)/18
x = (3 ± √9√5)/18
x = (3 ± 3√5)/18
x = 3(1 ± √5)/18
x = (1 ± √5)/6