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Simplifying 3x2 + 2X + 9 = 0 Reorder the terms: 9 + 2X + 3x2 = 0 Solving 9 + 2X + 3x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + 2X + -9 + 3x2 = 0 + -9 Reorder the terms: 9 + -9 + 2X + 3x2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2X + 3x2 = 0 + -9 2X + 3x2 = 0 + -9 Combine like terms: 0 + -9 = -9 2X + 3x2 = -9 Add '-3x2' to each side of the equation. 2X + 3x2 + -3x2 = -9 + -3x2 Combine like terms: 3x2 + -3x2 = 0 2X + 0 = -9 + -3x2 2X = -9 + -3x2 Divide each side by '2'. X = -4.5 + -1.5x2 Simplifying X = -4.5 + -1.5x2
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