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