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What is the perfect square rule?
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What is the perfect square rule?

User Federico Sawady
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Answer:

Squaring a binomial creates a perfect square trinomial: (a + b)2. (a - b)2. (a + b)2 = a2 + 2ab + b2. (a - b)2 = a2 - 2ab + b2.

Explanation:

User Firat
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