web2.0calc
 
+0  
 

 Factor.

0
872
1
avatar+594 

Factor.

Factor.

 Nov 22, 2017

1+0 Answers

 #1
avatar+128475 
+2

x^2 - 4   =   (x - 2) ( x + 2)

 

x^2  + 25   =    (x - 5i) (x + 5i)

 

cool cool cool

 Nov 22, 2017

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