We have
so this is indeed a difference of squares. Factorizing would give
making the answer D.
We can further factor the first term here and write
but that's clearly out of the scope of this question.
If a die is rolled it may have 1, 2, 3, 4, 5, or 6 showing, and each outcome is equally likely to occur. If three dice are rolle
1 answer:
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