document.write( "Question 1042147: Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions. If you are using a graphing​ utility, use it to graph the function and verify the real zeros and the given function value.\r
\n" ); document.write( "\n" ); document.write( "n=3
\n" ); document.write( "-4 and 1+2i are zeros
\n" ); document.write( "f(2)=30\r
\n" ); document.write( "\n" ); document.write( "f(x)=
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Algebra.Com's Answer #657118 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29=a%28x%2B4%29%28x-%281%2B2i%29%29%28x-%281-2i%29%29\", a is unknown factor, determinable later using x=2.\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=a%28x%2B4%29%28x-1-2i%29%28x-1%2B2i%29\"
\n" ); document.write( "\"f%28x%29=a%28x%2B4%29%28%28x-1%29-2i%29%28%28x-1%29%2B2i%29\"
\n" ); document.write( "\"a%28x%2B4%29%28x%5E2-2x%2B1-4%28-1%29%29\"
\n" ); document.write( "\"highlight%28f%28x%29=a%28x%2B4%29%28x%5E2-2x%2B5%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "FINDING FACTOR a
\n" ); document.write( "\"f%282%29=30\" as given
\n" ); document.write( "\"a%282%2B4%29%282%5E2-2%2A2%2B5%29=30\"
\n" ); document.write( "\"a%2A6%2A5=30\"
\n" ); document.write( "\"a=1\"\r
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\n" ); document.write( "\n" ); document.write( "THE FUNCTION f
\n" ); document.write( "\"highlight%28f%28x%29=%28x%2B4%29%28x%5E2-2x%2B5%29%29\"
\n" ); document.write( "Do the multiplication to put into general polynomial form.
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