document.write( "Question 614167: use the given zero to find the remaining zeros of the function\r
\n" ); document.write( "\n" ); document.write( "h(x)=3x^4+8x^3+45x^2+128x-48; zero:-4i\r
\n" ); document.write( "\n" ); document.write( "the remaining zeros of \"h\" are \n" ); document.write( "

Algebra.Com's Answer #386420 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
\n" );
document.write( "Hi, 
\n" );
document.write( "use the given zero to find the remaining zeros of the function
\n" );
document.write( "h(x)=3x^4+8x^3+45x^2+128x-48; zero:-4i
\n" );
document.write( "Note: (x-4i)(x+4i) = (x^2 + 16)
\n" );
document.write( "
\n" );
document.write( "3x^2 + 8x-3
\n" );
document.write( "factoring:
\n" );
document.write( "(3x-1)(x+3)= 0
\n" );
document.write( "  x = 1/3, -3     ||the remaining zeros \n" );
document.write( "

\n" );