SOLUTION: quantitative comparison which is greater col a: 4x^2 + 4y^2 col b: (2x + 2y)^2 please show how you get the answer...thanks

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Question 982704: quantitative comparison
which is greater
col a: 4x^2 + 4y^2
col b: (2x + 2y)^2
please show how you get the answer...thanks

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Expand column b.

where A is the value column A.
Which is greater depends on the value of x and y.
If , then they are equal.
If and , then

Similarly if and ,

And finally if and ,

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