document.write( "Question 1104658: A cubic polynomial equation, P(x)=0, has real coefficients and a leading coefficient of 1. One of its roots if 1+2i and the sum of the roots is 14. Write P(x) in polynomial form. \n" ); document.write( "
Algebra.Com's Answer #719469 by josgarithmetic(39617)\"\" \"About 
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Two roots are 1-2i and r, and the given root is 1+2i.\r
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\n" ); document.write( "\n" ); document.write( "If sum of these roots is 14 then \"%281%2B2i%29%2B%281-2i%29%2Br=14\";
\n" ); document.write( "\"r=12\".\r
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\n" ); document.write( "\n" ); document.write( "\"P%28x%29=%28x-%281%2B2i%29%29%28x-%281-2i%29%29%28x-12%29\"
\n" ); document.write( "Do the simplification.\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28x%5E3-14x%5E2%2B29x-60%29\"
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