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Which polynomial can be simplified to a difference of squares? a. 10a2 + 3a – 3a – 16 b. 16a2 – 4a + 4a – 1 c. 25a2 + 6a – 6a + 36 d. 24a2 – 9a + 9a + 4

Melissa Norris

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Whitney Matthews on September 23, 2018

The answer is b.Explanation: the sum of (b), -4a+4a gives a sum of zero. This leaves us with 16a2-1. Since 16a2 is a square of 4a and 1 is a square of 1, then 16a2-1 is a difference of squares.


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