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Find x from the quadratic formula

Find x from the quadratic formula-example-1
User Real Quick
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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 - 4*10*9) / 2*10

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

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

User Haddon
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