document.write( "Question 706040: PLEASE HELP
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document.write( "Write the equation of the function whose roots are
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document.write( "-3i, -2, and 4 \n" );
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Algebra.Com's Answer #434945 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Write the equation of the function whose roots are \n" ); document.write( "-3i, -2, and 4 \n" ); document.write( "---- \n" ); document.write( "If you want to avoid having complex number coefficients, \n" ); document.write( "+3i must also be a root. \n" ); document.write( "------ \n" ); document.write( "f(x) = (x-3i)(x+3i)(x+2)(x-4) \n" ); document.write( "----- \n" ); document.write( "= (x^2+9)(x^2-4x-8) \n" ); document.write( "---- \n" ); document.write( "= x^4-4x^3-8x^2+9x^2-36x-72 \n" ); document.write( "---- \n" ); document.write( "= x^4-4x^3+x^2-36x-72 \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |