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Select all of the following equation(s) that are quadratic in form.



x4 – 6x2 – 27 = 0



3x4 = 2x



2(x + 5)4 + 2x2 + 5 = 0



6(2x + 4)2 = (2x + 4) + 2



6x4 = -x2 + 5



8x4 + 2x2 – 4x = 0

Respuesta :

nobillionaireNobley
An equation is quadratic if the greatest power of the coefficients is 2. Hence, for the given equations, only 6(2x + 4)2 = (2x + 4) + 2 is quadratic in nature.

Answer:

A, D, E

Step-by-step explanation:

on edg... Good Luck!!!

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