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Simplifying (x3 + 5x + -7)(x2 + -7x + -1) = 0 Reorder the terms: (-7 + 5x + x3)(x2 + -7x + -1) = 0 Reorder the terms: (-7 + 5x + x3)(-1 + -7x + x2) = 0 Multiply (-7 + 5x + x3) * (-1 + -7x + x2) (-7(-1 + -7x + x2) + 5x * (-1 + -7x + x2) + x3(-1 + -7x + x2)) = 0 ((-1 * -7 + -7x * -7 + x2 * -7) + 5x * (-1 + -7x + x2) + x3(-1 + -7x + x2)) = 0 ((7 + 49x + -7x2) + 5x * (-1 + -7x + x2) + x3(-1 + -7x + x2)) = 0 (7 + 49x + -7x2 + (-1 * 5x + -7x * 5x + x2 * 5x) + x3(-1 + -7x + x2)) = 0 (7 + 49x + -7x2 + (-5x + -35x2 + 5x3) + x3(-1 + -7x + x2)) = 0 (7 + 49x + -7x2 + -5x + -35x2 + 5x3 + (-1 * x3 + -7x * x3 + x2 * x3)) = 0 (7 + 49x + -7x2 + -5x + -35x2 + 5x3 + (-1x3 + -7x4 + x5)) = 0 Reorder the terms: (7 + 49x + -5x + -7x2 + -35x2 + 5x3 + -1x3 + -7x4 + x5) = 0 Combine like terms: 49x + -5x = 44x (7 + 44x + -7x2 + -35x2 + 5x3 + -1x3 + -7x4 + x5) = 0 Combine like terms: -7x2 + -35x2 = -42x2 (7 + 44x + -42x2 + 5x3 + -1x3 + -7x4 + x5) = 0 Combine like terms: 5x3 + -1x3 = 4x3 (7 + 44x + -42x2 + 4x3 + -7x4 + x5) = 0 Solving 7 + 44x + -42x2 + 4x3 + -7x4 + x5 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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