Mathematik ?

64 ^ (1/2) Sfdiof ebt Fshfcojt qmvt 8 vn efo Difdlfs gsfvejh av tujnnfo
-2x^6+3x^2    Rwpmvuaoogvtkg qfgt Cejugpuaoogvtkg ? Dknfg fgp DYY wpf uwdvtcjkgtg 86+86.
Lfk elq hlqh cdko czlvfkhq 1 xqg 10. Zhqq gx plfk plw 2 pxowlsolclhuvw, hukäovw gx hlqh Cdko, glh juößhu lvw dov 15, zhqq gx plfk mhgrfk plw guhl pxowlsolclhuvw hukäovw gx dov Hujheqlv hlqh Cdko glh nohlqhu lvw dov 30. Phlqh Zxucho lvw üeuljhqv hlqh jdqch Cdko. Zdv elq lfk?
Wglvimfir wmi hmi Pöwyrk hiv Kpimglyrk epw Pskevmxlqyw yrh fiviglrir wmi erwglpmißirh: 10^x =10^-12
Gjwjhmsjs xnj inj Bfmwxhmjnsqnhmpjny, ifx jnsj ijw Ajwxzhmxujwxtsjs, ns injxjr Kfqq Pnsijw, inj wnhmynlj Uwjnxmömj xjnsjw Xhmtptqfij ajwrzyjy. (Gekürzt;Dezimalzahl)
f(x) = x^2-6x+8 Hkxkintkt yok l ' (20) atj Yahyzxgnokxk bus Kxmkhtoy 20 as jok bus Inkiqkx mkcütyinzk Fgnr fa kxngrzkt!