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Simplifying
3x2 + -432 = -288
Reorder the terms:
-432 + 3x2 = -288
Solving
-432 + 3x2 = -288
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 = -288 + 432
Combine like terms: -432 + 432 = 0
0 + 3x2 = -288 + 432
3x2 = -288 + 432
Combine like terms: -288 + 432 = 144
3x2 = 144
Divide each side by '3'.
x2 = 48
Simplifying
x2 = 48
Take the square root of each side:
x = {-6.92820323, 6.92820323}
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