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corinna1999
corinna1999 corinna1999
  • 31-08-2016
  • Mathematics
Answered

so, the picture is my question.

so, the picture is my question. class=

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bonejones13
bonejones13 bonejones13
  • 31-08-2016

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

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Anonymous Anonymous
  • 31-08-2016

Simple...

using the quadratic formula...

\(x= \frac{-b+/- \sqrt{ b^{2} }-4ac }{2a}\)

-->>

z=-2+/-\(\sqrt{7}\)

z≈0.64575131,-4.64575131

Thus, your answer.

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