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x= -3 -x^2+6x-4 HALP ;-;

 Oct 5, 2016
 #1
avatar+118687 
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x= -3 -x^2+6x-4 

 

\(x= -3 -x^2+6x-4 \\ 0= -3 -x^2+5x-4 \\ 0= -x^2+5x-7 \\ 0= x^2-5x+7 \\ \triangle=b^2-4ac=25-28=-3\\ since\;\;\triangle<0\;\;\text{there are no real solutions}\\~\\ \text{Note that the triangle is called the discriminant} \)

 Oct 5, 2016
 #2
avatar+16 
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you can just say the awnser is undefinable 

 Oct 5, 2016

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