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Factorise :x^2-4x-21+10y-y^2​

Factorise :x^2-4x-21+10y-y^2​
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1 vote
Factorise :x^2-4x-21+10y-y^2​

User Dmitry Gavrilko
by
8.4k points

1 Answer

2 votes

Answer:

This cannot factor

Explanation:

This cannot factor because there is no number that can be factored out of all of the terms.

User Itcropper
by
7.9k points
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