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Simplifying
(9x2 + -16) = 0
Reorder the terms:
(-16 + 9x2) = 0
Remove parenthesis around (-16 + 9x2)
-16 + 9x2 = 0
Solving
-16 + 9x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '16' to each side of the equation.
-16 + 16 + 9x2 = 0 + 16
Combine like terms: -16 + 16 = 0
0 + 9x2 = 0 + 16
9x2 = 0 + 16
Combine like terms: 0 + 16 = 16
9x2 = 16
Divide each side by '9'.
x2 = 1.777777778
Simplifying
x2 = 1.777777778
Take the square root of each side:
x = {-1.333333333, 1.333333333}
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