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Simplifying (7x3 + -4x2 + 4x) + -1(9x2 + 3x + 8) = 0 Reorder the terms: (4x + -4x2 + 7x3) + -1(9x2 + 3x + 8) = 0 Remove parenthesis around (4x + -4x2 + 7x3) 4x + -4x2 + 7x3 + -1(9x2 + 3x + 8) = 0 Reorder the terms: 4x + -4x2 + 7x3 + -1(8 + 3x + 9x2) = 0 4x + -4x2 + 7x3 + (8 * -1 + 3x * -1 + 9x2 * -1) = 0 4x + -4x2 + 7x3 + (-8 + -3x + -9x2) = 0 Reorder the terms: -8 + 4x + -3x + -4x2 + -9x2 + 7x3 = 0 Combine like terms: 4x + -3x = 1x -8 + 1x + -4x2 + -9x2 + 7x3 = 0 Combine like terms: -4x2 + -9x2 = -13x2 -8 + 1x + -13x2 + 7x3 = 0 Solving -8 + 1x + -13x2 + 7x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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