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August 2022
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Упростите выражения:
а) 4a-(a-2)-(a-4)²
б) 2(m+1)²-4m
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dasdasfa
A)=4a-a+2-(a^2-8a+16)=3a+2-a^2+8a-16=-a^2+11a-14;
b)=2(m^2+2m+1)-4m=2m^2+4m+2-4m=2m^2+2
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Answers & Comments
b)=2(m^2+2m+1)-4m=2m^2+4m+2-4m=2m^2+2