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Simplifying X3 + 2x2 + -9x + -18 = -2 Reorder the terms: -18 + X3 + -9x + 2x2 = -2 Solving -18 + X3 + -9x + 2x2 = -2 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '18' to each side of the equation. -18 + X3 + -9x + 18 + 2x2 = -2 + 18 Reorder the terms: -18 + 18 + X3 + -9x + 2x2 = -2 + 18 Combine like terms: -18 + 18 = 0 0 + X3 + -9x + 2x2 = -2 + 18 X3 + -9x + 2x2 = -2 + 18 Combine like terms: -2 + 18 = 16 X3 + -9x + 2x2 = 16 Add '9x' to each side of the equation. X3 + -9x + 9x + 2x2 = 16 + 9x Combine like terms: -9x + 9x = 0 X3 + 0 + 2x2 = 16 + 9x X3 + 2x2 = 16 + 9x Add '-2x2' to each side of the equation. X3 + 2x2 + -2x2 = 16 + 9x + -2x2 Combine like terms: 2x2 + -2x2 = 0 X3 + 0 = 16 + 9x + -2x2 X3 = 16 + 9x + -2x2 Simplifying X3 = 16 + 9x + -2x2 Reorder the terms: -16 + X3 + -9x + 2x2 = 16 + 9x + -2x2 + -16 + -9x + 2x2 Reorder the terms: -16 + X3 + -9x + 2x2 = 16 + -16 + 9x + -9x + -2x2 + 2x2 Combine like terms: 16 + -16 = 0 -16 + X3 + -9x + 2x2 = 0 + 9x + -9x + -2x2 + 2x2 -16 + X3 + -9x + 2x2 = 9x + -9x + -2x2 + 2x2 Combine like terms: 9x + -9x = 0 -16 + X3 + -9x + 2x2 = 0 + -2x2 + 2x2 -16 + X3 + -9x + 2x2 = -2x2 + 2x2 Combine like terms: -2x2 + 2x2 = 0 -16 + X3 + -9x + 2x2 = 0 The solution to this equation could not be determined.
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