document.write( "Question 190911: I need to find a polynomial of degree 4 with integer coefficients that have roots:-2,3,and 3+2i such that P(3)=-80.\r
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document.write( "I know to use the conjugate of 3+2i which is 3-2i, and I know how to put them in the f(x)=a(x-r1)(x-r2...format, but from there I get tripped up and can't figure out what to do with P(3)=-80. Thanks \n" );
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Algebra.Com's Answer #143344 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! I need to find a polynomial of degree 4 with integer coefficients that have roots:-2,3,and 3+2i such that P(3)=-80. \n" ); document.write( "I know to use the conjugate of 3+2i which is 3-2i, and I know how to put them in the f(x)=a(x-r1)(x-r2...format, but from there I get tripped up and can't figure out what to do with P(3)=-80. Thanks \n" ); document.write( " \r\n" ); document.write( "You must have made a mistake copying the problem, or else\r\n" ); document.write( "it was wrong in what you copied it from, because if 3 \r\n" ); document.write( "is a root then P(3) must equal 0, and therefore cannot \r\n" ); document.write( "equal -80.\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |