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Simplifying 3x2 + 5 + x2 + -9 + x2 + 15 = 0 Reorder the terms: 5 + -9 + 15 + 3x2 + x2 + x2 = 0 Combine like terms: 5 + -9 = -4 -4 + 15 + 3x2 + x2 + x2 = 0 Combine like terms: -4 + 15 = 11 11 + 3x2 + x2 + x2 = 0 Combine like terms: 3x2 + x2 = 4x2 11 + 4x2 + x2 = 0 Combine like terms: 4x2 + x2 = 5x2 11 + 5x2 = 0 Solving 11 + 5x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + 5x2 = 0 + -11 Combine like terms: 11 + -11 = 0 0 + 5x2 = 0 + -11 5x2 = 0 + -11 Combine like terms: 0 + -11 = -11 5x2 = -11 Divide each side by '5'. x2 = -2.2 Simplifying x2 = -2.2 Reorder the terms: 2.2 + x2 = -2.2 + 2.2 Combine like terms: -2.2 + 2.2 = 0.0 2.2 + x2 = 0.0 The solution to this equation could not be determined.
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