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AlinaMan
@AlinaMan
August 2021
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Очено срочно задание 3
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manyny06
Verified answer
(2х-3)(2х+3)=4х(х+1)
4х²-6х+6х-9=4х²+4х
-4х=9
х= 9 : (-4)
х= -9\4
х=- 2 1\4
0 votes
Thanks 1
iriska124
Потеряли за скобкой (х+1)-1
iriska124
(2х-3)*(2х+3)=4х*(х+1)-1
4х²-6х+6х-9=4х²+4х-1
4х²-9=4х²+4х-1
-9=4х-1
4х=-9+1
4х=-8
х=-2
Ответ----(х=-2)
1 votes
Thanks 1
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Answers & Comments
Verified answer
(2х-3)(2х+3)=4х(х+1)4х²-6х+6х-9=4х²+4х
-4х=9
х= 9 : (-4)
х= -9\4
х=- 2 1\4
4х²-6х+6х-9=4х²+4х-1
4х²-9=4х²+4х-1
-9=4х-1
4х=-9+1
4х=-8
х=-2
Ответ----(х=-2)