"2 minus root 3" => 2 - sqrt(3)
x does not appear here. That could cause a problem.
Unsure of what you mean by "x minus one upon X whole cube." Would you please go back to the original question and ensure that you have copied it down precisely. Without "x" in your equation, there's nothing to solve for.
It’s A “Multiplication Property of Equality”
If your trying to find W, W equals 51