Question 635459
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Hi,
x^2- 3x= -5 
x^2 - 3x + 5 = 0    | Putting into ax^2 + bx + c = 0  Format
Quadratic formula
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
{{{x = (3 +- sqrt( 9-4*1*5 ))/(2) }}}
{{{x = (3 +- sqrt(-11 ))/(2) }}}
{{{x = (3 +- sqrt((-1)*11 ))/(2) }}}   | Note i^2 = -1
{{{x = (3 +- sqrt((i^2)*11 ))/(2) }}}
  {{{x = (3 +- i*sqrt(11))/(2) }}}