document.write( "Question 175242: 18z+45+z^(2 )\r
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document.write( "How do I factor this polynomial? \n" );
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Algebra.Com's Answer #130320 by gonzo(654)![]() ![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( "--- \n" ); document.write( " \n" ); document.write( " |