SOLUTION: 165=xsquare+2x

Question 426975: 165=xsquare+2x
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
165=xsquare+2x
x^2+2x-165
Find the roots of the equation by quadratic formula

a=1, b=2,c=-165

b^2-4ac=4+660
b^2-4ac=664

x1=(-2+ 25.77)/ 2
x1= 11.88
x2=(-2-25.77)/2
x2=-13.88
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