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Ответ: 3,-3, - 4
Пошаговое объяснение:
х^3+4х=9х+36
х^3+4х-9х-36=0
х^2*(х+4)-9*(х+4)=0
(х^2-9)*(х+4)=0
х^2-9=0
х^2=9
х=3,-3
х+4=0
х=-4
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Verified answer
Ответ: 3,-3, - 4
Пошаговое объяснение:
х^3+4х=9х+36
х^3+4х-9х-36=0
х^2*(х+4)-9*(х+4)=0
(х^2-9)*(х+4)=0
х^2-9=0
х^2=9
х=3,-3
х+4=0
х=-4