Question

solve it ..... ...??????????

Answer 1

4 (a+b)^2 -8 (a^2+b^2)
4 (a^2+b^2+2ab)-8a^2-8b^2
4a^2+4b^2+8ab-8a^2-8b^2
-4a^2-4b^2+8ab
-(4a^2+4b^2-8ab)
-4 (a-b)^2

Answer 2

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