Автор - romanchenko02dark

спростити вираз : (3m-2)²-2(m-4)(m+3)+(2m-1)(2m+1) срочно !!!!

Ответ

Автор - darkangel20161
9m^2 - 12m + 2 - 2( m^2 + 3m - 4 m - 12)+ 4m^2  - 1 =  9m^2 - 12 m + 2 - 2m^2 - 6 m + 8m + 24 + 4m^2-1=11 m^2  - 10 m +25

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