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Simplifying
36x2 + -9 = 9
Reorder the terms:
-9 + 36x2 = 9
Solving
-9 + 36x2 = 9
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '9' to each side of the equation.
-9 + 9 + 36x2 = 9 + 9
Combine like terms: -9 + 9 = 0
0 + 36x2 = 9 + 9
36x2 = 9 + 9
Combine like terms: 9 + 9 = 18
36x2 = 18
Divide each side by '36'.
x2 = 0.5
Simplifying
x2 = 0.5
Take the square root of each side:
x = {-0.707106781, 0.707106781}
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