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Simplifying
3x2 + -16 = 12
Reorder the terms:
-16 + 3x2 = 12
Solving
-16 + 3x2 = 12
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 + 3x2 = 12 + 16
Combine like terms: -16 + 16 = 0
0 + 3x2 = 12 + 16
3x2 = 12 + 16
Combine like terms: 12 + 16 = 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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