SOLUTION: Please factorise: (a+b)^2-(c+d)^2 I have tried to factorise it my answer is (a+b-c-d)^2 but i'm not sure if it's correct.

Question 953716: Please factorise: (a+b)^2-(c+d)^2
I have tried to factorise it my answer is (a+b-c-d)^2 but i'm not sure if it's correct.
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
If you studied and can recognize Difference of Two Squares, then you would know. Otherwise, look at this:

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