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Catgo16
@Catgo16
July 2022
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Помогите,пожалуйста (4x-3)квадрат=49???
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tanyacool
Verified answer
=
16х²-24х+9-49=0
16х²-24х-40=0 :8
2х²-3х-5=0
Д=9+2*4*5=49=7²
х1=3-7/4=-1
х2=3+7/4=2,5
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Verified answer
=16х²-24х+9-49=0
16х²-24х-40=0 :8
2х²-3х-5=0
Д=9+2*4*5=49=7²
х1=3-7/4=-1
х2=3+7/4=2,5