Question 426562
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Hi
Solving using the quadratic formula
 x^2-4x+1=0      | Note general form: ax^2 +bx + c = 0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
{{{x = (4 +- sqrt( 12))/(2) }}}
{{{x = (4 +- sqrt( 4*3))/(2) }}}
{{{x = (4 +- 2*sqrt( 3))/(2) }}}
{{{x =  2 +- sqrt( 3)}}}
 x = 3.732
 x = .268