log5-x x+4/x-5^10>=-10x^3+8x^2+(50x^2+x-7)/x-7<=-1

Question

log5-x x+4/x-5^10>=-10
x^3+8x^2+(50x^2+x-7)/x-7<=-1 </p>

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Answer 1

За такое задание маловато пунктов...
 

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