document.write( "Question 136630This question is from textbook Prentice Hall Algebra 2
\n" ); document.write( ": Find a fourth-degree polynomial equation with integer coefficients that has the given numbers as roots.\r
\n" ); document.write( "\n" ); document.write( "The given numbers are 3+ i and -2i \n" ); document.write( "

Algebra.Com's Answer #100054 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Complex roots always come in conjugate pairs.
\n" ); document.write( "If 3+i is a root, so is 3-i.
\n" ); document.write( "If -2i is a root, so is 2i.
\n" ); document.write( " $\"f%28x%29=%28x-2i%29%28x%2B2i%29%28x-%283%2Bi%29%29%28x-%283-i%29%29\"$
\n" ); document.write( " $\"f%28x%29=%28x%5E2%2B4%29%28x%5E2%2B%283%2Bi%29%283-i%29%29\"$
\n" ); document.write( "Work out the final steps to get the solution.
\n" ); document.write( "Post another question if you get stuck. \n" ); document.write( "

\n" );