+0  
 
0
288
1
avatar+4690 

Help.

 Dec 8, 2017
 #1
avatar+95883 
+2

-1  is a root

And 2 is a root with a multiplicity of two  [ the function just touches the x axis at x = 2......so....it must have an even multiplicity ]

 

{ -1 , 2 }    are the roots

 

 

cool cool cool

 Dec 8, 2017

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