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Автор - mikhailovaaaler

4x^2+6x<9x^2-14x
Помогите решить

Ответ

Автор - evvoronina1
4х²+6х < 9х²-14х
Переносим члены неравенства из левой части в правую:
-4х²-6х+9х²-14х>0
Приводим однородные члены:
5х²-20х>0
Выносим 5х за скобку:
5х(х-4)>0

1) 5х>0
Делим обе части неравенства на 5:
х>0

2) х-4>0
х>4

Ответ: х>4


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