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Simplifying (9x4 + 4x3 + -7) + -1(8x2 + -7x + 9) = 0 Reorder the terms: (-7 + 4x3 + 9x4) + -1(8x2 + -7x + 9) = 0 Remove parenthesis around (-7 + 4x3 + 9x4) -7 + 4x3 + 9x4 + -1(8x2 + -7x + 9) = 0 Reorder the terms: -7 + 4x3 + 9x4 + -1(9 + -7x + 8x2) = 0 -7 + 4x3 + 9x4 + (9 * -1 + -7x * -1 + 8x2 * -1) = 0 -7 + 4x3 + 9x4 + (-9 + 7x + -8x2) = 0 Reorder the terms: -7 + -9 + 7x + -8x2 + 4x3 + 9x4 = 0 Combine like terms: -7 + -9 = -16 -16 + 7x + -8x2 + 4x3 + 9x4 = 0 Solving -16 + 7x + -8x2 + 4x3 + 9x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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