document.write( "Question 75868: Not in book.
\n" ); document.write( "Factor each trinomial.\r
\n" ); document.write( "\n" ); document.write( "d^2-16d+63\r
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Algebra.Com's Answer #54469 by tutorcecilia(2152)\"\" \"About 
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d^2-16d+63
\n" ); document.write( "Factor 63: 7 x 9; 63 x 1
\n" ); document.write( "Which factor adds up to -16?
\n" ); document.write( "Answer: Factors -7 + (-9). This become the middle term. So,
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\n" ); document.write( "(d-7)(d-9)
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