X^3-6x^2+8x/x^2+2x-8 решите пж

Question

X^3-6x^2+8x/x^2+2x-8 решите пж

Answer 1

x^3-6x^2+8x/(x^2)+2x=8

x(x^2-6x+(8/x)+2)=8

x^2-6x+8/x+2=8/x

x^2-6x+2=0

D=6^2-4*1*2=28

Comments

не?

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НУ?

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При x=-6,5 забыл написать