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Simplifying X3 + 5x2 + 3x + 15 = 0 Reorder the terms: 15 + X3 + 3x + 5x2 = 0 Solving 15 + X3 + 3x + 5x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + X3 + 3x + -15 + 5x2 = 0 + -15 Reorder the terms: 15 + -15 + X3 + 3x + 5x2 = 0 + -15 Combine like terms: 15 + -15 = 0 0 + X3 + 3x + 5x2 = 0 + -15 X3 + 3x + 5x2 = 0 + -15 Combine like terms: 0 + -15 = -15 X3 + 3x + 5x2 = -15 Add '-3x' to each side of the equation. X3 + 3x + -3x + 5x2 = -15 + -3x Combine like terms: 3x + -3x = 0 X3 + 0 + 5x2 = -15 + -3x X3 + 5x2 = -15 + -3x Add '-5x2' to each side of the equation. X3 + 5x2 + -5x2 = -15 + -3x + -5x2 Combine like terms: 5x2 + -5x2 = 0 X3 + 0 = -15 + -3x + -5x2 X3 = -15 + -3x + -5x2 Simplifying X3 = -15 + -3x + -5x2 Reorder the terms: 15 + X3 + 3x + 5x2 = -15 + -3x + -5x2 + 15 + 3x + 5x2 Reorder the terms: 15 + X3 + 3x + 5x2 = -15 + 15 + -3x + 3x + -5x2 + 5x2 Combine like terms: -15 + 15 = 0 15 + X3 + 3x + 5x2 = 0 + -3x + 3x + -5x2 + 5x2 15 + X3 + 3x + 5x2 = -3x + 3x + -5x2 + 5x2 Combine like terms: -3x + 3x = 0 15 + X3 + 3x + 5x2 = 0 + -5x2 + 5x2 15 + X3 + 3x + 5x2 = -5x2 + 5x2 Combine like terms: -5x2 + 5x2 = 0 15 + X3 + 3x + 5x2 = 0 The solution to this equation could not be determined.
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