06 À :: `+`(`^`(6, `+`(`*`(`^`(x, 2)), `-`(`*`(4, `*`(x))))), `^`(6, `+`(`*`(`^`(x, 2)), `-`(`*`(4, `*`(x))), `-`(1)))) = 42                                  Á :: [−2;4] 

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ÎÒÂÅÒ 

À :: `+`(2, `&+-`(sqrt(6))) Á :: `+`(2, `-`(sqrt(6)))