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Factorising Determinants Question - solved

Had a go at the below question and have checked over and I think my working is ok - but ended up with different linear factors to the answer in the mark scheme. Does anyone know if my answer is also valid?

EDIT: Just realised I can take (-1) out of two of the linear factors to get the model answer, oops!

Bildschirmfoto 2021-05-05 um 11.57.53.png

Foto am 05-05-2021 um 11.58.jpg

Final answer in MS:
Bildschirmfoto 2021-05-05 um 11.58.16.png
(edited 2 years ago)
Your answers are equivalent.

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