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20-02-2020
Physics

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what is a zero of the quadratic f(x)=9x^2-54x-19?

Respuesta :

MathPhys MathPhys

20-02-2020

Explanation:

f(x) = 9x² − 54x − 19

Factoring using AC method:

f(x) = (3x − 19) (3x + 1)

The zeros are 19/3 and -1/3.

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