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Simplifying (x3 + -2x2 + 4x + 3) + (7x2 + -12x + 12) = 0 Reorder the terms: (3 + 4x + -2x2 + x3) + (7x2 + -12x + 12) = 0 Remove parenthesis around (3 + 4x + -2x2 + x3) 3 + 4x + -2x2 + x3 + (7x2 + -12x + 12) = 0 Reorder the terms: 3 + 4x + -2x2 + x3 + (12 + -12x + 7x2) = 0 Remove parenthesis around (12 + -12x + 7x2) 3 + 4x + -2x2 + x3 + 12 + -12x + 7x2 = 0 Reorder the terms: 3 + 12 + 4x + -12x + -2x2 + 7x2 + x3 = 0 Combine like terms: 3 + 12 = 15 15 + 4x + -12x + -2x2 + 7x2 + x3 = 0 Combine like terms: 4x + -12x = -8x 15 + -8x + -2x2 + 7x2 + x3 = 0 Combine like terms: -2x2 + 7x2 = 5x2 15 + -8x + 5x2 + x3 = 0 Solving 15 + -8x + 5x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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