How to find the polynomial equation when factors is provided?

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Ara Guz
Ara Guz 2021-6-7
评论： Matt J 2021-6-7
I have f(x) = (x+7)*(x-19)*(x-18)*(x+17) as the given, how to find its polynomial expression given its factors?
i only know how to solve the root of the functions but not the other way around. sorry for asking again. thank you!

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Matt J
Matt J 2021-6-7
编辑：Matt J 2021-6-7
Ran in:
p = poly([-7,19,18,-17])
p = 1×5
1 -13 -427 3805 40698

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