SOLUTION: if x+y=4, What is the perimeter of a square with side length 2x^2+4xy+2y^2?

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Question 674440: if x+y=4, What is the perimeter of a square with side length 2x^2+4xy+2y^2?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
if x+y=4, What is the perimeter of a square with side length 2x^2+4xy+2y^2
:
2x^2 + 4xy + 2y^2
Factor
2(x^2 + 2xy + y^2)
Factor
2(x+y)(x+y)
Given that x + y = 4
2(4)(4) = 32, the side lengh
then
4(32) = 128 is the perimeter of the square