document.write( "Question 977576: Degree 3; Zeros 2, 4-i (find the remaining zeros of f) \n" ); document.write( "
Algebra.Com's Answer #599103 by Edwin McCravy(20056)\"\" \"About 
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document.write( "If a polynomial function with all real coefficients has a complex\r\n" );
document.write( "zero of the form A+Bi, then it also has a complex zero which is the\r\n" );
document.write( "conjugate of A+Bi which is A-Bi.\r\n" );
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document.write( "Since f has complex zero 4-i, it also has zero 4+i.\r\n" );
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document.write( "Since f has degree 3, it can have no more than 3 zeros.\r\n" );
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document.write( "So the three zeros are 2, 4-i and 4+i\r\n" );
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document.write( "The only remaining zero was 4+i.\r\n" );
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document.write( "Edwin

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