(x*x)-2x-4=0

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Solution for (x*x)-2x-4=0 equation:


(x*x)-2x-4=0

We simplify the equation to the form, which is simple to understand 
(x*x)-2x-4=0

Remove unnecessary parentheses
*x-2x-4=0

We move all terms containing x to the left and all other terms to the right. 
+1x-2x=0+4

We simplify left and right side of the equation. 
-1x=+4

We divide both sides of the equation by -1 to get x. 
x=-4

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