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Simplifying (12x3 + 11x2 + 6x + -12) + -1(8x3 + -12x2 + -3x + 7) = 0 Reorder the terms: (-12 + 6x + 11x2 + 12x3) + -1(8x3 + -12x2 + -3x + 7) = 0 Remove parenthesis around (-12 + 6x + 11x2 + 12x3) -12 + 6x + 11x2 + 12x3 + -1(8x3 + -12x2 + -3x + 7) = 0 Reorder the terms: -12 + 6x + 11x2 + 12x3 + -1(7 + -3x + -12x2 + 8x3) = 0 -12 + 6x + 11x2 + 12x3 + (7 * -1 + -3x * -1 + -12x2 * -1 + 8x3 * -1) = 0 -12 + 6x + 11x2 + 12x3 + (-7 + 3x + 12x2 + -8x3) = 0 Reorder the terms: -12 + -7 + 6x + 3x + 11x2 + 12x2 + 12x3 + -8x3 = 0 Combine like terms: -12 + -7 = -19 -19 + 6x + 3x + 11x2 + 12x2 + 12x3 + -8x3 = 0 Combine like terms: 6x + 3x = 9x -19 + 9x + 11x2 + 12x2 + 12x3 + -8x3 = 0 Combine like terms: 11x2 + 12x2 = 23x2 -19 + 9x + 23x2 + 12x3 + -8x3 = 0 Combine like terms: 12x3 + -8x3 = 4x3 -19 + 9x + 23x2 + 4x3 = 0 Solving -19 + 9x + 23x2 + 4x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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