SOLUTION: (d + 1)(d - 1 + 6) d = 2

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Question 238057: (d + 1)(d - 1 + 6) d = 2
Answer by nyc_function(2741) About Me  (Show Source):
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(d + 1)(d - 1 + 6) d = 2
Replace every d with 2 and do the math.
(2 + 1)(2 - 1 + 6) = 3 times 7 = 14