Question 1110893
{{{x(x-1.2)=12.4}}}

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{{{x^2-1.2x=12.4}}}

{{{x^2-1.2x-12.4=0}}}

discriminant is  {{{1.2^2-4*(-12.4)=1.44+49.6=51.04}}}


{{{x=(1.2+sqrt(51.04))/2}}}

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