同相 どうしょう ぶん除去 じょきょではありませんでした
dō shōbunjokyodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 同相分除去

1. Was not mutually removed.; Was not eliminated together.

Past/Perfective
Negative
Polite
Formal Register
Computing