document.write( "Question 238057: (d + 1)(d - 1 + 6) d = 2 \n" ); document.write( "
Algebra.Com's Answer #174953 by nyc_function(2741)\"\" \"About 
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(d + 1)(d - 1 + 6) d = 2\r
\n" ); document.write( "\n" ); document.write( "Replace every d with 2 and do the math.\r
\n" ); document.write( "\n" ); document.write( "(2 + 1)(2 - 1 + 6) = 3 times 7 = 14
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