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Yana220304
@Yana220304
July 2022
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перепишите и заполните пропуски (? -2x)во 2 степени=49- ? + ?
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sedinalana
Verified answer
(7-2x)²=49-28x+4x²
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4 votes
Thanks 6
MizoriesKun
49=7²
(7-2х)²=7²-28х+(2х)²=49-28х+4х²
2 votes
Thanks 6
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Verified answer
(7-2x)²=49-28x+4x²----------------------------------
(7-2х)²=7²-28х+(2х)²=49-28х+4х²