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Factorize (a+b)² - (a-b)² ​
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Factorize (a+b)² - (a-b)² ​

User NBW
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2 Answers

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5 votes
the answer is 4ab

hope this helps you
User WJM
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~~(a+b)^2 -(a-b)^2\\\\=(a+b+a-b)(a+b-a+b)~~~~~~~~~~~~~~~~~~~~~~;[a^2 -b^2 = (a+b)(a-b)]\\\\=(2a)(2b)\\\\=4ab

User Pearmak
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