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Simplifying X3 + 12x2 + 18x + 42 = 0 Reorder the terms: 42 + X3 + 18x + 12x2 = 0 Solving 42 + X3 + 18x + 12x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-42' to each side of the equation. 42 + X3 + 18x + -42 + 12x2 = 0 + -42 Reorder the terms: 42 + -42 + X3 + 18x + 12x2 = 0 + -42 Combine like terms: 42 + -42 = 0 0 + X3 + 18x + 12x2 = 0 + -42 X3 + 18x + 12x2 = 0 + -42 Combine like terms: 0 + -42 = -42 X3 + 18x + 12x2 = -42 Add '-18x' to each side of the equation. X3 + 18x + -18x + 12x2 = -42 + -18x Combine like terms: 18x + -18x = 0 X3 + 0 + 12x2 = -42 + -18x X3 + 12x2 = -42 + -18x Add '-12x2' to each side of the equation. X3 + 12x2 + -12x2 = -42 + -18x + -12x2 Combine like terms: 12x2 + -12x2 = 0 X3 + 0 = -42 + -18x + -12x2 X3 = -42 + -18x + -12x2 Simplifying X3 = -42 + -18x + -12x2 Reorder the terms: 42 + X3 + 18x + 12x2 = -42 + -18x + -12x2 + 42 + 18x + 12x2 Reorder the terms: 42 + X3 + 18x + 12x2 = -42 + 42 + -18x + 18x + -12x2 + 12x2 Combine like terms: -42 + 42 = 0 42 + X3 + 18x + 12x2 = 0 + -18x + 18x + -12x2 + 12x2 42 + X3 + 18x + 12x2 = -18x + 18x + -12x2 + 12x2 Combine like terms: -18x + 18x = 0 42 + X3 + 18x + 12x2 = 0 + -12x2 + 12x2 42 + X3 + 18x + 12x2 = -12x2 + 12x2 Combine like terms: -12x2 + 12x2 = 0 42 + X3 + 18x + 12x2 = 0 The solution to this equation could not be determined.
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