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Oleg10000
@Oleg10000
July 2022
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Розв яжіть рівняння
(2x-3)до квадрату+(4x-1)(1+4x)=5x(4x-11)
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fiofionina
Verified answer
Решение:
(2х-3)² +(4х-1)(1+4х)=5х(4х-11)
(2х-3)² +(4х-1)(4х+1)=20х²-55х
4х²-12х+9+ 16х²-1=20х²-55х
4х²-12х+9+16х²-1-20х²+55х=0
43х+8=0
43х=-8
х=-8/43
Ответ: х=-8/43
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Answers & Comments
Verified answer
Решение:(2х-3)² +(4х-1)(1+4х)=5х(4х-11)
(2х-3)² +(4х-1)(4х+1)=20х²-55х
4х²-12х+9+ 16х²-1=20х²-55х
4х²-12х+9+16х²-1-20х²+55х=0
43х+8=0
43х=-8
х=-8/43
Ответ: х=-8/43