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-4
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3
avatar+-9 

The perimeter of a square with a side of x+3

 

[1] x^2+9

[2] x^2+6x+9

[3] 4x+12

[4] 4x+3

 Sep 16, 2019
 #1
avatar+8963 
+2

perimeter of a square with side  s  =  4s

 

perimeter of a square with side  x + 3   =   4(x + 3)   =   4x + 12

 Sep 16, 2019
 #2
avatar-9 
-4

thank you!

LunaMoon123  Sep 16, 2019

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