+0  
 
+3
75
2
avatar+917 

I need help with this question!

GAMEMASTERX40  Jun 3, 2018
 #1
avatar
+2

4 * (x^2+4x+4)

Guest Jun 3, 2018
 #2
avatar+893 
+3

Hey GAMEMASTERX40!

 

The formula to find the area of a square is L^2, where L is the side length. 

 

Therefore, to find the side length of square #1, we want to find the square root of x^2+4x+4.

 

We can factor this, since it’s a perfect square:

 

x^2+4x+4=(x+2)^2, the side of the square is x+2. 

 

Therefore, the side length of square #3 is twice of this, or 2x+4. 

 

The area of square #3 must be (2x+4)^2.

 

I hope this helped,

 

Gavin

GYanggg  Jun 3, 2018

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