help, graph of f(x)=x^3+2x^2-4x-8. HOw you can graph it by hand.

help, graph of f(x)=x^3+2x^2-4x-8. HOw you can graph it by hand.

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I think you had a similar question yesterday. What don't you understand?

ok you set f(x) as 0,

and do gropuping, but i forgot how to keep going, i just need like how to start graphing.

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