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I don't know how to solve these two types of questions: (x+y)(x-y)=20 and (z+z)(z+z)=63

I don't know how to solve these two types of questions: (x+y)(x-y)=20 and (z+z)(z+z)=63
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I don't know how to solve these two types of questions:
(x+y)(x-y)=20
and (z+z)(z+z)=63

User Chen Leikehmacher
by
7.6k points

1 Answer

4 votes

3 fdjfjddjdnsnfjdjfjdjdjdjdjdnekvidijrrjen ekfodi sifu shav csjrejfjejejjfjdffjdjdj

User Smyrgl
by
7.9k points
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