05 À :: `+`(`^`(5, `+`(`*`(`^`(x, 2)), `-`(`*`(4, `*`(x))), 1)), `^`(5, `+`(`*`(`^`(x, 2)), `-`(`*`(4, `*`(x)))))) = 30                                 Á :: [−1;3] 

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ÎÒÂÅÒ 

À :: `+`(2, `&+-`(sqrt(5))) Á :: `+`(2, `-`(sqrt(5)))