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Simplifying
9x2 + 36 = 39
Reorder the terms:
36 + 9x2 = 39
Solving
36 + 9x2 = 39
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-36' to each side of the equation.
36 + -36 + 9x2 = 39 + -36
Combine like terms: 36 + -36 = 0
0 + 9x2 = 39 + -36
9x2 = 39 + -36
Combine like terms: 39 + -36 = 3
9x2 = 3
Divide each side by '9'.
x2 = 0.3333333333
Simplifying
x2 = 0.3333333333
Take the square root of each side:
x = {-0.577350269, 0.577350269}
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