document.write( "Question 1128379: Find a polynomial equation with real coefficients that has the given roots
\n" ); document.write( "5 and -3i\r
\n" ); document.write( "\n" ); document.write( "x^3- ___x^2+_____x=0
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Algebra.Com's Answer #744831 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "Find a polynomial equation with real coefficients that has the given roots
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\n" ); document.write( "\"x%5B1%5D=5\" and \"x%5B2%5D=-3i+\"-> complex roots coming in pairs, so we also have \"x%5B3%5D=3i+\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%29=%28x-x%5B1%5D%29%28x-x%5B2%5D%29%28x-x%5B3%5D%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%29=%28x-5%29%28x-%28-3i%29%29%28x-3i%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-5%29%28x%2B3i%29%28x-3i%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-5%29%28x%5E2-%283i%29%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-5%29%28x%5E2-9i%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-5%29%28x%5E2-9%28-1%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-5%29%28x%5E2%2B9%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E3-5x%5E2%2B9x-45\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E3-+5x%5E2%2B9x-45=0\"\r
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