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x(2)-4x-11=0
We simplify the equation to the form, which is simple to understand
x(2)-4x-11=0
Reorder the terms in parentheses
+(+2x)-4x-11=0
Remove unnecessary parentheses
+2x-4x-11=0
We move all terms containing x to the left and all other terms to the right.
+2x-4x=0+11
We simplify left and right side of the equation.
-2x=+11
We divide both sides of the equation by -2 to get x.
x=-5.5
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