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Simplifying X3 + -9x2 + 20x + -12 = 0 Reorder the terms: -12 + X3 + 20x + -9x2 = 0 Solving -12 + X3 + 20x + -9x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '12' to each side of the equation. -12 + X3 + 20x + 12 + -9x2 = 0 + 12 Reorder the terms: -12 + 12 + X3 + 20x + -9x2 = 0 + 12 Combine like terms: -12 + 12 = 0 0 + X3 + 20x + -9x2 = 0 + 12 X3 + 20x + -9x2 = 0 + 12 Combine like terms: 0 + 12 = 12 X3 + 20x + -9x2 = 12 Add '-20x' to each side of the equation. X3 + 20x + -20x + -9x2 = 12 + -20x Combine like terms: 20x + -20x = 0 X3 + 0 + -9x2 = 12 + -20x X3 + -9x2 = 12 + -20x Add '9x2' to each side of the equation. X3 + -9x2 + 9x2 = 12 + -20x + 9x2 Combine like terms: -9x2 + 9x2 = 0 X3 + 0 = 12 + -20x + 9x2 X3 = 12 + -20x + 9x2 Simplifying X3 = 12 + -20x + 9x2 Reorder the terms: -12 + X3 + 20x + -9x2 = 12 + -20x + 9x2 + -12 + 20x + -9x2 Reorder the terms: -12 + X3 + 20x + -9x2 = 12 + -12 + -20x + 20x + 9x2 + -9x2 Combine like terms: 12 + -12 = 0 -12 + X3 + 20x + -9x2 = 0 + -20x + 20x + 9x2 + -9x2 -12 + X3 + 20x + -9x2 = -20x + 20x + 9x2 + -9x2 Combine like terms: -20x + 20x = 0 -12 + X3 + 20x + -9x2 = 0 + 9x2 + -9x2 -12 + X3 + 20x + -9x2 = 9x2 + -9x2 Combine like terms: 9x2 + -9x2 = 0 -12 + X3 + 20x + -9x2 = 0 The solution to this equation could not be determined.
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