Respuesta :

bonejones13
A my sister had this before and she was in the same class ur in
Simple...

using the quadratic formula...

[tex]x= \frac{-b+/- \sqrt{ b^{2} }-4ac }{2a} [/tex]

-->>

z=-2+/-[tex] \sqrt{7} [/tex]

z≈0.64575131,-4.64575131

Thus, your answer.

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