document.write( "Question 1060861: given that f(x) is a cubic function with zeros at -5 and -4i +3, find an equation for f(x) given that F(8)=2 . \n" ); document.write( "
Algebra.Com's Answer #675864 by ikleyn(52839)\"\" \"About 
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document.write( "f(x) = \"k%28x%2B5%29%28x-%283-4i%29%29%28x-%283%2B4i%29%29\"\r\n" );
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document.write( "f(x) = \"k%28x%2B5%29%28%28x-3%29%2B4i%29%28%28x-3%29-4i%29\"\r\n" );
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document.write( "f(x) = \"k%28x%2B5%29%28x%5E2-6x%2B9-16i%5E2%29\"\r\n" );
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document.write( "f(x) = \"k%28x%2B5%29%28x%5E2-6x%2B9%2B16%29\"\r\n" );
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document.write( "f(x) = \"k%28x%2B5%29%28x%5E2-6x%2B25%29\"\r\n" );
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document.write( "Use the given condition f(8)=2 to find k.\r\n" );
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document.write( "\"k%2A%288%2B5%29%2A%288%5E2-6%2A8%2B25%29\" = 2.\r\n" );
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document.write( "k = \"2%2F%2813%2A41%29\" = \"2%2F533\".\r\n" );
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document.write( "f(x) = \"%282%2F533%29%2A%28x%2B5%29%2A%28x%5E2-6x%2B25%29\".\r\n" );
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