Question 135292
x^2-5x+7=5
x^2-5x+7-5=0
x^2-5x+2=0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
x=(5+-sqrt[-5^2-4*1*2])/2*1
x=(5+-sqrt[25-8])/2
x=(5+-sqrt17)/2
x=(5+-4.123)/2
x=(5+4.123)/2
x=9.123/2
x=4.56 answer.
x=(5-4.123)/2
x=.877/2
x=.4385 answer.