Предмет: Алгебра, автор: сашаперт

решите неравенство (5x-2)во второй степени -15>(4x-1)во второй степени +9xво второй степени

Ответы

Автор ответа: gal4enok007

25х^2 -10х+4 -15>
16х^2 -8х +1 +9х^2

25х^2-10х-11>
25х^2 -8х +1
-10х+8х>1+11

-2х>12
Х< -6

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