Algebra-1

To determine which expression is a perfect square using the perfect square formula , we will analyze each option by checking if they can be rewritten in the perfect square form.

 

A. 

Here, b = -6.

Calculate :

The expression should be to form , but here it is 10, not 9.

Result: This is not a perfect square.

 

B. 

Here, .

Calculate :

The expression should be to form , but here it is

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