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Simplifying X3 + -4x2 + 5x + -20 = 0 Reorder the terms: -20 + X3 + 5x + -4x2 = 0 Solving -20 + X3 + 5x + -4x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '20' to each side of the equation. -20 + X3 + 5x + 20 + -4x2 = 0 + 20 Reorder the terms: -20 + 20 + X3 + 5x + -4x2 = 0 + 20 Combine like terms: -20 + 20 = 0 0 + X3 + 5x + -4x2 = 0 + 20 X3 + 5x + -4x2 = 0 + 20 Combine like terms: 0 + 20 = 20 X3 + 5x + -4x2 = 20 Add '-5x' to each side of the equation. X3 + 5x + -5x + -4x2 = 20 + -5x Combine like terms: 5x + -5x = 0 X3 + 0 + -4x2 = 20 + -5x X3 + -4x2 = 20 + -5x Add '4x2' to each side of the equation. X3 + -4x2 + 4x2 = 20 + -5x + 4x2 Combine like terms: -4x2 + 4x2 = 0 X3 + 0 = 20 + -5x + 4x2 X3 = 20 + -5x + 4x2 Simplifying X3 = 20 + -5x + 4x2 Reorder the terms: -20 + X3 + 5x + -4x2 = 20 + -5x + 4x2 + -20 + 5x + -4x2 Reorder the terms: -20 + X3 + 5x + -4x2 = 20 + -20 + -5x + 5x + 4x2 + -4x2 Combine like terms: 20 + -20 = 0 -20 + X3 + 5x + -4x2 = 0 + -5x + 5x + 4x2 + -4x2 -20 + X3 + 5x + -4x2 = -5x + 5x + 4x2 + -4x2 Combine like terms: -5x + 5x = 0 -20 + X3 + 5x + -4x2 = 0 + 4x2 + -4x2 -20 + X3 + 5x + -4x2 = 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 -20 + X3 + 5x + -4x2 = 0 The solution to this equation could not be determined.
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