English, asked by yyes8199, 1 month ago

3(a+b)²-2(a-b)² find the value

Answers

Answered by syedw3569

1

Explanation:

3(a+b)²-2(a-b)²

3(a²+b²+2ab) - 2(a²+b²-2ab)

3a²+3b²+6ab - 2a² -2b² +4ab

a²+b² + 10ab Answer

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