Respuesta :

ChoiSungHyun

Step-by-step explanation:

If (x - 5)(2x + 1)(x - 7) = 0,

we have the roots x = -0.5, x = 5 and x = 7.

Since the coefficient of x³ here is positive,

the answer is -0.5 < x < 5 or x > 7.

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