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Simplifying (9x2 + 4x + -1)(x2 + -5x + 8) = 0 Reorder the terms: (-1 + 4x + 9x2)(x2 + -5x + 8) = 0 Reorder the terms: (-1 + 4x + 9x2)(8 + -5x + x2) = 0 Multiply (-1 + 4x + 9x2) * (8 + -5x + x2) (-1(8 + -5x + x2) + 4x * (8 + -5x + x2) + 9x2 * (8 + -5x + x2)) = 0 ((8 * -1 + -5x * -1 + x2 * -1) + 4x * (8 + -5x + x2) + 9x2 * (8 + -5x + x2)) = 0 ((-8 + 5x + -1x2) + 4x * (8 + -5x + x2) + 9x2 * (8 + -5x + x2)) = 0 (-8 + 5x + -1x2 + (8 * 4x + -5x * 4x + x2 * 4x) + 9x2 * (8 + -5x + x2)) = 0 (-8 + 5x + -1x2 + (32x + -20x2 + 4x3) + 9x2 * (8 + -5x + x2)) = 0 (-8 + 5x + -1x2 + 32x + -20x2 + 4x3 + (8 * 9x2 + -5x * 9x2 + x2 * 9x2)) = 0 (-8 + 5x + -1x2 + 32x + -20x2 + 4x3 + (72x2 + -45x3 + 9x4)) = 0 Reorder the terms: (-8 + 5x + 32x + -1x2 + -20x2 + 72x2 + 4x3 + -45x3 + 9x4) = 0 Combine like terms: 5x + 32x = 37x (-8 + 37x + -1x2 + -20x2 + 72x2 + 4x3 + -45x3 + 9x4) = 0 Combine like terms: -1x2 + -20x2 = -21x2 (-8 + 37x + -21x2 + 72x2 + 4x3 + -45x3 + 9x4) = 0 Combine like terms: -21x2 + 72x2 = 51x2 (-8 + 37x + 51x2 + 4x3 + -45x3 + 9x4) = 0 Combine like terms: 4x3 + -45x3 = -41x3 (-8 + 37x + 51x2 + -41x3 + 9x4) = 0 Solving -8 + 37x + 51x2 + -41x3 + 9x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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