SOLUTION: I need help finding the real solution to this equation. (1/2)x2 + x = 1

Algebra ->  Equations -> SOLUTION: I need help finding the real solution to this equation. (1/2)x2 + x = 1      Log On


   



Question 309643: I need help finding the real solution to this equation.
(1/2)x2 + x = 1

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(1/2)x2 + x = 1
X^2/2+X-1=0
.5X^2+X-1=0
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
X=(-1+-[SQRT1^2-4*.5*-1])/2*.5
X=(-1+-SQRT[1+2)/1
X=-1+-SQRT3
X=-1+-1.732
X=1+1.732
X=.732 ANS.
X=-1-1.732
X=-2.732 ANS.