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Simplifying
-18x2 + 122 = 0
Reorder the terms:
122 + -18x2 = 0
Solving
122 + -18x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-122' to each side of the equation.
122 + -122 + -18x2 = 0 + -122
Combine like terms: 122 + -122 = 0
0 + -18x2 = 0 + -122
-18x2 = 0 + -122
Combine like terms: 0 + -122 = -122
-18x2 = -122
Divide each side by '-18'.
x2 = 6.777777778
Simplifying
x2 = 6.777777778
Take the square root of each side:
x = {-2.603416559, 2.603416559}
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