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Simplifying (3x4 + -8x2 + -6x + 12) + (4x3 + -3x2 + 7x + -15) = 0 Reorder the terms: (12 + -6x + -8x2 + 3x4) + (4x3 + -3x2 + 7x + -15) = 0 Remove parenthesis around (12 + -6x + -8x2 + 3x4) 12 + -6x + -8x2 + 3x4 + (4x3 + -3x2 + 7x + -15) = 0 Reorder the terms: 12 + -6x + -8x2 + 3x4 + (-15 + 7x + -3x2 + 4x3) = 0 Remove parenthesis around (-15 + 7x + -3x2 + 4x3) 12 + -6x + -8x2 + 3x4 + -15 + 7x + -3x2 + 4x3 = 0 Reorder the terms: 12 + -15 + -6x + 7x + -8x2 + -3x2 + 4x3 + 3x4 = 0 Combine like terms: 12 + -15 = -3 -3 + -6x + 7x + -8x2 + -3x2 + 4x3 + 3x4 = 0 Combine like terms: -6x + 7x = 1x -3 + 1x + -8x2 + -3x2 + 4x3 + 3x4 = 0 Combine like terms: -8x2 + -3x2 = -11x2 -3 + 1x + -11x2 + 4x3 + 3x4 = 0 Solving -3 + 1x + -11x2 + 4x3 + 3x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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