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Simplifying
-9x2 + 6 = 0
Reorder the terms:
6 + -9x2 = 0
Solving
6 + -9x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-6' to each side of the equation.
6 + -6 + -9x2 = 0 + -6
Combine like terms: 6 + -6 = 0
0 + -9x2 = 0 + -6
-9x2 = 0 + -6
Combine like terms: 0 + -6 = -6
-9x2 = -6
Divide each side by '-9'.
x2 = 0.6666666667
Simplifying
x2 = 0.6666666667
Take the square root of each side:
x = {-0.816496581, 0.816496581}
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