Find the solution of equation
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Answer:
(a^2+b^2-2ab)-(a^2+b^2+2ab)
= a^2-a^2+b^2-b^2-2ab-2ab
= -4ab
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when we open the bracket from the minus symbol then the symbols in the bracket were changed.
I hope it is useful for you
Make my ans. brainleast please
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