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Simplifying (-1d2 + 4d + 3)(3d2 + -7d + 6) = 0 Reorder the terms: (3 + 4d + -1d2)(3d2 + -7d + 6) = 0 Reorder the terms: (3 + 4d + -1d2)(6 + -7d + 3d2) = 0 Multiply (3 + 4d + -1d2) * (6 + -7d + 3d2) (3(6 + -7d + 3d2) + 4d * (6 + -7d + 3d2) + -1d2 * (6 + -7d + 3d2)) = 0 ((6 * 3 + -7d * 3 + 3d2 * 3) + 4d * (6 + -7d + 3d2) + -1d2 * (6 + -7d + 3d2)) = 0 ((18 + -21d + 9d2) + 4d * (6 + -7d + 3d2) + -1d2 * (6 + -7d + 3d2)) = 0 (18 + -21d + 9d2 + (6 * 4d + -7d * 4d + 3d2 * 4d) + -1d2 * (6 + -7d + 3d2)) = 0 (18 + -21d + 9d2 + (24d + -28d2 + 12d3) + -1d2 * (6 + -7d + 3d2)) = 0 (18 + -21d + 9d2 + 24d + -28d2 + 12d3 + (6 * -1d2 + -7d * -1d2 + 3d2 * -1d2)) = 0 (18 + -21d + 9d2 + 24d + -28d2 + 12d3 + (-6d2 + 7d3 + -3d4)) = 0 Reorder the terms: (18 + -21d + 24d + 9d2 + -28d2 + -6d2 + 12d3 + 7d3 + -3d4) = 0 Combine like terms: -21d + 24d = 3d (18 + 3d + 9d2 + -28d2 + -6d2 + 12d3 + 7d3 + -3d4) = 0 Combine like terms: 9d2 + -28d2 = -19d2 (18 + 3d + -19d2 + -6d2 + 12d3 + 7d3 + -3d4) = 0 Combine like terms: -19d2 + -6d2 = -25d2 (18 + 3d + -25d2 + 12d3 + 7d3 + -3d4) = 0 Combine like terms: 12d3 + 7d3 = 19d3 (18 + 3d + -25d2 + 19d3 + -3d4) = 0 Solving 18 + 3d + -25d2 + 19d3 + -3d4 = 0 Solving for variable 'd'. The solution to this equation could not be determined.
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