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Verified Answer :

wolf1728

I think you mean, find the equation from the quadratic formula solution.

10x^2 -x +9 = 0
a=10  b=-1  c=9

x = --1 +-sq root(1 - 4109) / 2*10

x = 1 +-sq root(1 -360) / 20

x = 1 +-sq root( -359) / 20

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