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Simplifying X3 + -5x2 + -15x + 80 = 0 Reorder the terms: 80 + X3 + -15x + -5x2 = 0 Solving 80 + X3 + -15x + -5x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-80' to each side of the equation. 80 + X3 + -15x + -80 + -5x2 = 0 + -80 Reorder the terms: 80 + -80 + X3 + -15x + -5x2 = 0 + -80 Combine like terms: 80 + -80 = 0 0 + X3 + -15x + -5x2 = 0 + -80 X3 + -15x + -5x2 = 0 + -80 Combine like terms: 0 + -80 = -80 X3 + -15x + -5x2 = -80 Add '15x' to each side of the equation. X3 + -15x + 15x + -5x2 = -80 + 15x Combine like terms: -15x + 15x = 0 X3 + 0 + -5x2 = -80 + 15x X3 + -5x2 = -80 + 15x Add '5x2' to each side of the equation. X3 + -5x2 + 5x2 = -80 + 15x + 5x2 Combine like terms: -5x2 + 5x2 = 0 X3 + 0 = -80 + 15x + 5x2 X3 = -80 + 15x + 5x2 Simplifying X3 = -80 + 15x + 5x2 Reorder the terms: 80 + X3 + -15x + -5x2 = -80 + 15x + 5x2 + 80 + -15x + -5x2 Reorder the terms: 80 + X3 + -15x + -5x2 = -80 + 80 + 15x + -15x + 5x2 + -5x2 Combine like terms: -80 + 80 = 0 80 + X3 + -15x + -5x2 = 0 + 15x + -15x + 5x2 + -5x2 80 + X3 + -15x + -5x2 = 15x + -15x + 5x2 + -5x2 Combine like terms: 15x + -15x = 0 80 + X3 + -15x + -5x2 = 0 + 5x2 + -5x2 80 + X3 + -15x + -5x2 = 5x2 + -5x2 Combine like terms: 5x2 + -5x2 = 0 80 + X3 + -15x + -5x2 = 0 The solution to this equation could not be determined.
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