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lera5414n
@lera5414n
July 2022
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(х-2)(х2+8х+16)=7(4+Х)
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bor115298765432
(х-1)(х²+8х+16)=6(х+4)
(х-1)(х+4)²-6(х+4)=0
(х+4)((х-1)(х+4)-6)=0
(х+4)(х²+3х-10)=0
х+4=0
х1=-4
х²+3х-10=0
D=b²-4ac=3²-4*1*(-10)=49
x2=2
x3=-5
Ответ: -5;-4;2.
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Answers & Comments
(х-1)(х+4)²-6(х+4)=0
(х+4)((х-1)(х+4)-6)=0
(х+4)(х²+3х-10)=0
х+4=0
х1=-4
х²+3х-10=0
D=b²-4ac=3²-4*1*(-10)=49
x2=2
x3=-5
Ответ: -5;-4;2.