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Plz help :)))))))))))))))))))
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3 votes
Plz help :)))))))))))))))))))

Plz help :)))))))))))))))))))-example-1
User WileyCoyote
by
7.8k points

1 Answer

3 votes
(2 - 7z)(2 + 7z)
= (2)^2 - (7z)^2
= 4 - 49z^2

User Arcolye
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