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Simplifying X3 + -21x2 + 120x = 0 Reorder the terms: X3 + 120x + -21x2 = 0 Solving X3 + 120x + -21x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-120x' to each side of the equation. X3 + 120x + -120x + -21x2 = 0 + -120x Combine like terms: 120x + -120x = 0 X3 + 0 + -21x2 = 0 + -120x X3 + -21x2 = 0 + -120x Remove the zero: X3 + -21x2 = -120x Add '21x2' to each side of the equation. X3 + -21x2 + 21x2 = -120x + 21x2 Combine like terms: -21x2 + 21x2 = 0 X3 + 0 = -120x + 21x2 X3 = -120x + 21x2 Simplifying X3 = -120x + 21x2 Reorder the terms: X3 + 120x + -21x2 = -120x + 120x + 21x2 + -21x2 Combine like terms: -120x + 120x = 0 X3 + 120x + -21x2 = 0 + 21x2 + -21x2 X3 + 120x + -21x2 = 21x2 + -21x2 Combine like terms: 21x2 + -21x2 = 0 X3 + 120x + -21x2 = 0 The solution to this equation could not be determined.
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