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Simplifying (7x2 + -1x + -3)(9x2 + 7x + -1) = 0 Reorder the terms: (-3 + -1x + 7x2)(9x2 + 7x + -1) = 0 Reorder the terms: (-3 + -1x + 7x2)(-1 + 7x + 9x2) = 0 Multiply (-3 + -1x + 7x2) * (-1 + 7x + 9x2) (-3(-1 + 7x + 9x2) + -1x * (-1 + 7x + 9x2) + 7x2 * (-1 + 7x + 9x2)) = 0 ((-1 * -3 + 7x * -3 + 9x2 * -3) + -1x * (-1 + 7x + 9x2) + 7x2 * (-1 + 7x + 9x2)) = 0 ((3 + -21x + -27x2) + -1x * (-1 + 7x + 9x2) + 7x2 * (-1 + 7x + 9x2)) = 0 (3 + -21x + -27x2 + (-1 * -1x + 7x * -1x + 9x2 * -1x) + 7x2 * (-1 + 7x + 9x2)) = 0 (3 + -21x + -27x2 + (1x + -7x2 + -9x3) + 7x2 * (-1 + 7x + 9x2)) = 0 (3 + -21x + -27x2 + 1x + -7x2 + -9x3 + (-1 * 7x2 + 7x * 7x2 + 9x2 * 7x2)) = 0 (3 + -21x + -27x2 + 1x + -7x2 + -9x3 + (-7x2 + 49x3 + 63x4)) = 0 Reorder the terms: (3 + -21x + 1x + -27x2 + -7x2 + -7x2 + -9x3 + 49x3 + 63x4) = 0 Combine like terms: -21x + 1x = -20x (3 + -20x + -27x2 + -7x2 + -7x2 + -9x3 + 49x3 + 63x4) = 0 Combine like terms: -27x2 + -7x2 = -34x2 (3 + -20x + -34x2 + -7x2 + -9x3 + 49x3 + 63x4) = 0 Combine like terms: -34x2 + -7x2 = -41x2 (3 + -20x + -41x2 + -9x3 + 49x3 + 63x4) = 0 Combine like terms: -9x3 + 49x3 = 40x3 (3 + -20x + -41x2 + 40x3 + 63x4) = 0 Solving 3 + -20x + -41x2 + 40x3 + 63x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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