web2.0calc
 
+0  
 

 ​i NEED HELP

0
930
1
avatar+314 

i NEED HELP

 Oct 21, 2017

1+0 Answers

 #1
avatar+118608 
+2

\(x^2+mx+n\\ =(x+3)^2\\ =x^2+6x+9 \)

 

So   m=6

 Oct 21, 2017

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