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keneksi001
@keneksi001
July 2022
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упростить выражение (n-3)(n+3)+(2-n)^2-2n(n-2)
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Flash3146
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(n-3)(n+3)+(2-n)^2-2n(n-2)=
n²-9+4-4n+n²-2n²+4n=-5
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Verified answer
(n-3)(n+3)+(2-n)^2-2n(n-2)=n²-9+4-4n+n²-2n²+4n=-5