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pozzitifon228
@pozzitifon228
July 2022
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помогите решить примеры a.(2m+n)(3n-m)б.(4x+y)(2y+1)в.(2x-3y)²
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MrDenter
A. (2m+n)(3n-m) = 6mn-2m²+3n²-mn = 5mn-2m²+3n²
б. (4x+y)(2y+1) = 8xy+4x+2y²+y
в. (2x-3y)² = 4x²-12xy+9y²
1 votes
Thanks 1
pozzitifon228
спасибо тебе большое
MrDenter
К большому сожалению НЕТ
pozzitifon228
а во что
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Answers & Comments
б. (4x+y)(2y+1) = 8xy+4x+2y²+y
в. (2x-3y)² = 4x²-12xy+9y²