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Simplifying
-3x2 + 16 + 12 = 0
Reorder the terms:
16 + 12 + -3x2 = 0
Combine like terms: 16 + 12 = 28
28 + -3x2 = 0
Solving
28 + -3x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-28' to each side of the equation.
28 + -28 + -3x2 = 0 + -28
Combine like terms: 28 + -28 = 0
0 + -3x2 = 0 + -28
-3x2 = 0 + -28
Combine like terms: 0 + -28 = -28
-3x2 = -28
Divide each side by '-3'.
x2 = 9.333333333
Simplifying
x2 = 9.333333333
Take the square root of each side:
x = {-3.055050463, 3.055050463}
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