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Simplifying
-3x2 + 432 = 0
Reorder the terms:
432 + -3x2 = 0
Solving
432 + -3x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-432' to each side of the equation.
432 + -432 + -3x2 = 0 + -432
Combine like terms: 432 + -432 = 0
0 + -3x2 = 0 + -432
-3x2 = 0 + -432
Combine like terms: 0 + -432 = -432
-3x2 = -432
Divide each side by '-3'.
x2 = 144
Simplifying
x2 = 144
Take the square root of each side:
x = {-12, 12}
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