помогите 2) и 4) и 6) и 8). Created by kikin72. algebra-ru

помогите 2) и 4) и 6) и 8)...

July 2022 1 3 Report

помогите 2) и 4) и 6) и 8)

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3hp 2) (a-2)^2=(a-2)*(a-2)=a^2-2a+2a-4=a^2-4a-4
4) (y+3)^2=(y+3)*(y+3)=y^2+3y+3y+9=y^2+6y+9
6)(c+d)^2=(c+d)*(c+d)=c^2+cd+cd+d^2=c^2+2cd+d^2
8) (k+m)^2=(k+m)*(k+m)=k^2+km+km+m^2=k^2+2km+d^2

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2328t2k282t2k2 pomogite reshit

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