Question: 2. (L90) The expression x 2 - y 2 is equal to _____. A. (x - y)(x - y) B. (x - y)(x + y)

2. (L90) The expression x 2 - y 2 is equal to _____. A. (x - y)(x - y) B. (x - y)(x + y) C. (y - x)(x + y) D. (y - x)(x - y)

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