Question 89504
X^2=3X+1
X^2-3X-1=0 {{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
X=(3+-SQRT[-3^2-4*1*-1])/2*1
X=(3+-SQRT9+4])/2
X=(3+-SQRT13)/2
X=(3+-3.6)/2
X=(3+3.6)/2
X=6.6/2
X=3.3 ANSWER.
X=(3-3.6)/2
X=-.6/2
X=-.3 ANSWER.