Question 379051
  <pre><font size = 3 color = "indigo"><b>
Hi
using the quadratic formula to solve
x^2/4-x/2=1
x^2 - 2x = 4
x^2 - 2x - 4 = 0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
{{{x = (2 +- sqrt( 20 ))/(2) }}}
{{{x = (2 +- sqrt( 4*5 ))/(2) }}}
{{{x = (2 +- 2*sqrt( 5 ))/(2) }}}
{{{x = highlight(1 +- sqrt( 5 ))}}}