За подробное (ВЕРНОЕ!) решение 50 баллов!
1. (x-1)[tex] (x-5)^{2} [/tex](x-9)=-39
2. [tex] x^{4} - 5 x^{3} + 4 x^{2} [/tex]+5x+1=0
1. (x-1)[tex] (x-5)^{2} [/tex](x-9)=-39
2. [tex] x^{4} - 5 x^{3} + 4 x^{2} [/tex]+5x+1=0
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