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Simplifying (7t2 + -1t + -9)(3t2 + 7t + -1) = 0 Reorder the terms: (-9 + -1t + 7t2)(3t2 + 7t + -1) = 0 Reorder the terms: (-9 + -1t + 7t2)(-1 + 7t + 3t2) = 0 Multiply (-9 + -1t + 7t2) * (-1 + 7t + 3t2) (-9(-1 + 7t + 3t2) + -1t * (-1 + 7t + 3t2) + 7t2 * (-1 + 7t + 3t2)) = 0 ((-1 * -9 + 7t * -9 + 3t2 * -9) + -1t * (-1 + 7t + 3t2) + 7t2 * (-1 + 7t + 3t2)) = 0 ((9 + -63t + -27t2) + -1t * (-1 + 7t + 3t2) + 7t2 * (-1 + 7t + 3t2)) = 0 (9 + -63t + -27t2 + (-1 * -1t + 7t * -1t + 3t2 * -1t) + 7t2 * (-1 + 7t + 3t2)) = 0 (9 + -63t + -27t2 + (1t + -7t2 + -3t3) + 7t2 * (-1 + 7t + 3t2)) = 0 (9 + -63t + -27t2 + 1t + -7t2 + -3t3 + (-1 * 7t2 + 7t * 7t2 + 3t2 * 7t2)) = 0 (9 + -63t + -27t2 + 1t + -7t2 + -3t3 + (-7t2 + 49t3 + 21t4)) = 0 Reorder the terms: (9 + -63t + 1t + -27t2 + -7t2 + -7t2 + -3t3 + 49t3 + 21t4) = 0 Combine like terms: -63t + 1t = -62t (9 + -62t + -27t2 + -7t2 + -7t2 + -3t3 + 49t3 + 21t4) = 0 Combine like terms: -27t2 + -7t2 = -34t2 (9 + -62t + -34t2 + -7t2 + -3t3 + 49t3 + 21t4) = 0 Combine like terms: -34t2 + -7t2 = -41t2 (9 + -62t + -41t2 + -3t3 + 49t3 + 21t4) = 0 Combine like terms: -3t3 + 49t3 = 46t3 (9 + -62t + -41t2 + 46t3 + 21t4) = 0 Solving 9 + -62t + -41t2 + 46t3 + 21t4 = 0 Solving for variable 't'. The solution to this equation could not be determined.
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