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Simplifying (9x4 + -3x3 + 4x2 + 5x + 7) + (11x4 + -4x2 + -11x + -9) = 0 Reorder the terms: (7 + 5x + 4x2 + -3x3 + 9x4) + (11x4 + -4x2 + -11x + -9) = 0 Remove parenthesis around (7 + 5x + 4x2 + -3x3 + 9x4) 7 + 5x + 4x2 + -3x3 + 9x4 + (11x4 + -4x2 + -11x + -9) = 0 Reorder the terms: 7 + 5x + 4x2 + -3x3 + 9x4 + (-9 + -11x + -4x2 + 11x4) = 0 Remove parenthesis around (-9 + -11x + -4x2 + 11x4) 7 + 5x + 4x2 + -3x3 + 9x4 + -9 + -11x + -4x2 + 11x4 = 0 Reorder the terms: 7 + -9 + 5x + -11x + 4x2 + -4x2 + -3x3 + 9x4 + 11x4 = 0 Combine like terms: 7 + -9 = -2 -2 + 5x + -11x + 4x2 + -4x2 + -3x3 + 9x4 + 11x4 = 0 Combine like terms: 5x + -11x = -6x -2 + -6x + 4x2 + -4x2 + -3x3 + 9x4 + 11x4 = 0 Combine like terms: 4x2 + -4x2 = 0 -2 + -6x + 0 + -3x3 + 9x4 + 11x4 = 0 -2 + -6x + -3x3 + 9x4 + 11x4 = 0 Combine like terms: 9x4 + 11x4 = 20x4 -2 + -6x + -3x3 + 20x4 = 0 Solving -2 + -6x + -3x3 + 20x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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