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Simplifying X3 + 3x2 + -6x = 18 Reorder the terms: X3 + -6x + 3x2 = 18 Solving X3 + -6x + 3x2 = 18 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '6x' to each side of the equation. X3 + -6x + 6x + 3x2 = 18 + 6x Combine like terms: -6x + 6x = 0 X3 + 0 + 3x2 = 18 + 6x X3 + 3x2 = 18 + 6x Add '-3x2' to each side of the equation. X3 + 3x2 + -3x2 = 18 + 6x + -3x2 Combine like terms: 3x2 + -3x2 = 0 X3 + 0 = 18 + 6x + -3x2 X3 = 18 + 6x + -3x2 Simplifying X3 = 18 + 6x + -3x2 Reorder the terms: -18 + X3 + -6x + 3x2 = 18 + 6x + -3x2 + -18 + -6x + 3x2 Reorder the terms: -18 + X3 + -6x + 3x2 = 18 + -18 + 6x + -6x + -3x2 + 3x2 Combine like terms: 18 + -18 = 0 -18 + X3 + -6x + 3x2 = 0 + 6x + -6x + -3x2 + 3x2 -18 + X3 + -6x + 3x2 = 6x + -6x + -3x2 + 3x2 Combine like terms: 6x + -6x = 0 -18 + X3 + -6x + 3x2 = 0 + -3x2 + 3x2 -18 + X3 + -6x + 3x2 = -3x2 + 3x2 Combine like terms: -3x2 + 3x2 = 0 -18 + X3 + -6x + 3x2 = 0 The solution to this equation could not be determined.
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