sets

[shadow storm]

if i do the quadratic formula i get 1 and 7, so set A={0,1,2,3,4,5,6,7}?

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[steep stone]

Yes but 0 isn’t included

The polynomial is positive between the two roots and negative before

And after

[shadow storm]

so basically the >= doesn't matter if i get a result≠0?

[steep stone]

Well for x=0 it’s strictly negative

For 1<=x<=7 it’s positive or 0

[shadow storm]

thank you