In using the symbolic solver I get a polynomial expressed in terms of its roots

i.e (-21+(9+s)*(5+s))*s

is there a way to expand this polynomial into its long form?

i.e

(-21+(9+s)*(5+s))*s = as^3 + bs^2 +cs +d

The purpose being to extract the coefficients i.e (a,b,c,d)?

Here are your requests.

Jean

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