Mathematics, 28.06.2019 22:30, jaallen3679

It is known that x=7 is a root of the equation ax^2 + bx + 2= 0, where a< 0. solve the inequality ax²4 +bx^2 + 2> 0.

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It is known that x=7 is a root of the equation ax^2 + bx + 2= 0, where a< 0. solve the inequality...