SOLUTION: use the quadratic formula 1/3x^2-4x+5=0

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Question 443649: use the quadratic formula
1/3x^2-4x+5=0
Answer by mananth(16946) About Me  (Show Source):
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1/3x^2-4x+5=0
%281%2F3%29x%5E2-4x%2B5=0
multiply by 3
x^2-12x+15=0
a= 1 b= -12 c= 15

b^2-4ac=144-60
b^2-4ac=84
sqrt(84 )=9.17
x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29
x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29
x1=(12+ 9.17)/ 2
x1=10.58
x2=(12-9.17)/2
x2= 1.42