document.write( "Question 1130349: what is the fourth degree polynomial nwith internet coeffients that has zeros 3i and -1 with -1 a zero of multiplicity? \n" ); document.write( "
Algebra.Com's Answer #747119 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "zeros:\r
\n" ); document.write( "\n" ); document.write( "\"x%5B1%5D=+3i\"=> you also have \"x%5B2%5D=+-3i\" (complex roots always come in pairs)\r
\n" ); document.write( "\n" ); document.write( "\"x%5B3%5D=-1\" with \"-1\"a zero of multiplicity \"2\" (I guess it's multiplicity 2)\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-3i%29%28x-%28-3i%29%29%28x-%28-1%29%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-3i%29%28x%2B3i%29%28x%2B1%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x%5E2-%283i%29%5E2%29%28x%2B1%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x%5E2-9i%5E2%29%28x%5E2%2B2x%2B1%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x%5E2-9%28-1%29%29%28x%5E2%2B2x%2B1%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x%5E2%2B9%29%28x%5E2%2B2x%2B1%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E4+%2B+2x%5E3+%2B+10x%5E2+%2B+18x+%2B+9\"\r
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