[sage-support] factor((A-B)*(B-C)).list() ?

[Rolandb]

Hi,

I am surprised by  the output (9.8 and 10.1 Ubuntu):
var('A,B,C') factor((A-B)*(B-C)).list()
var('A,B,C') factor((A-B)*(B-C)).list()

    var('A,B,C')
    factor((A-B)*(B-C)).list()
    [-B^2 + B*C, B - C]

I expected [B - A, B - C]. Any explanation?

Kind regards,

Roland

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