(x*x)+2x-1=0

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Solution for (x*x)+2x-1=0 equation:


(x*x)+2x-1=0

We simplify the equation to the form, which is simple to understand 
(x*x)+2x-1=0

Remove unnecessary parentheses
*x+2x-1=0

We move all terms containing x to the left and all other terms to the right. 
+1x+2x=0+1

We simplify left and right side of the equation. 
+3x=+1

We divide both sides of the equation by 3 to get x. 
x=0.33333333333333

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