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Simplifying X3 + -4x2 + -9x + 81 = 0 Reorder the terms: 81 + X3 + -9x + -4x2 = 0 Solving 81 + X3 + -9x + -4x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-81' to each side of the equation. 81 + X3 + -9x + -81 + -4x2 = 0 + -81 Reorder the terms: 81 + -81 + X3 + -9x + -4x2 = 0 + -81 Combine like terms: 81 + -81 = 0 0 + X3 + -9x + -4x2 = 0 + -81 X3 + -9x + -4x2 = 0 + -81 Combine like terms: 0 + -81 = -81 X3 + -9x + -4x2 = -81 Add '9x' to each side of the equation. X3 + -9x + 9x + -4x2 = -81 + 9x Combine like terms: -9x + 9x = 0 X3 + 0 + -4x2 = -81 + 9x X3 + -4x2 = -81 + 9x Add '4x2' to each side of the equation. X3 + -4x2 + 4x2 = -81 + 9x + 4x2 Combine like terms: -4x2 + 4x2 = 0 X3 + 0 = -81 + 9x + 4x2 X3 = -81 + 9x + 4x2 Simplifying X3 = -81 + 9x + 4x2 Reorder the terms: 81 + X3 + -9x + -4x2 = -81 + 9x + 4x2 + 81 + -9x + -4x2 Reorder the terms: 81 + X3 + -9x + -4x2 = -81 + 81 + 9x + -9x + 4x2 + -4x2 Combine like terms: -81 + 81 = 0 81 + X3 + -9x + -4x2 = 0 + 9x + -9x + 4x2 + -4x2 81 + X3 + -9x + -4x2 = 9x + -9x + 4x2 + -4x2 Combine like terms: 9x + -9x = 0 81 + X3 + -9x + -4x2 = 0 + 4x2 + -4x2 81 + X3 + -9x + -4x2 = 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 81 + X3 + -9x + -4x2 = 0 The solution to this equation could not be determined.
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