document.write( "Question 175242: 18z+45+z^(2 )\r
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Algebra.Com's Answer #130320 by gonzo(654)\"\" \"About 
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you look for factors of 45 that will add up to 18.
\n" ); document.write( "45 = 9*5 the sum of which is 9 + 5 = 14 (no good)
\n" ); document.write( "45 = 3*15 the sum of which is 3 + 15 = 18 (good)
\n" ); document.write( "your factors are:
\n" ); document.write( "(z+15) * (z+3)
\n" ); document.write( "you multiply these together to get:
\n" ); document.write( "z^2 + 18z + 45
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