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annabuiko56
@annabuiko56
July 2022
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упростите выражение
(а-9)²-(81+2а)
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BriannaV
Verified answer
(а-9)²-(81+2а)=a^2-18a+81-81-2a=a^2-20a
=a(a-20)
70 votes
Thanks 157
filaps
Verified answer
= а^2-18a+81-81-2a=a^2-20a=a(a-20)
34 votes
Thanks 61
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Answers & Comments
Verified answer
(а-9)²-(81+2а)=a^2-18a+81-81-2a=a^2-20a=a(a-20)Verified answer
= а^2-18a+81-81-2a=a^2-20a=a(a-20)