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3230134
@3230134
June 2022
2
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раскройте скобки 6а-(8а+4)
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laura1311
6a-4(2a+1)
!!!!!!!!!!
2 votes
Thanks 1
Prosto145
6а-(8а+4)=6a-8a-4=-2a-4-2a-4=0
-2a=4
a=4:(-2)
a=-2
Проверка:
6*(-2)+8*2-4=0
-12+16-4=0
0=0
1 votes
Thanks 1
Prosto145
Ой, надо было расскрыть
Prosto145
Ну тогда 1 ответ правильный.
Prosto145
6а-8а-4
Prosto145
или 6а-4(2а+1)
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Answers & Comments
!!!!!!!!!!
-2a=4
a=4:(-2)
a=-2
Проверка:
6*(-2)+8*2-4=0
-12+16-4=0
0=0