Take the square root of the problem, it becomes x-6, then add 6 to both sides and voila x=6.
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No.
The correct way is to factorise (the difference of two squares)
x2 - 36 = (x - 6)*(x + 6) and that is as far as you can go.
The original question was an expression, NOT an equation. There cannot be a solution to an expression.
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x = +11 or -11
(√x)^36 = √(x^36) = x^18.
3-2 x 3-3 = 3-5 or 1/243
3x2 when x = 2 is the answer 3 X 4 = 12 or is the answer (3 X 2)2 = 62 = 36
(6 x 10^12)^2 = 6^2 x (10^12)^2 = 36 x 10^24 = 3.6 x 10^25.