SOLUTION: which of the following is a factor of 4-(x+y)^2 a) -(x+y)^2 b) x+y c) 2-x+y d) 2+x+y e) 4+x+y

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Question 1100529: which of the following is a factor of 4-(x+y)^2
a) -(x+y)^2
b) x+y
c) 2-x+y
d) 2+x+y
e) 4+x+y
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
For a difference of squares, a%5E2-b%5E2=%28a%2Bb%29%28a-b%29
So a%2Bb and a-b are factors.
So in this case,
a=2
b=x%2By
So the factors would be,
a%2Bb=2%2Bx%2By
a-b=2-x-y