document.write( "Question 148391: please help me with this question. (-1+iroot3)(-1+iroot3)= \n" ); document.write( "

Algebra.Com's Answer #108940 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28-1%2Bsqrt%283%29i%29%28-1%2Bsqrt%283%29i%29\"$
\n" ); document.write( "We use the FOIL method,
\n" ); document.write( "First : $\"%28-1%29%28-1%29=1+\"$
\n" ); document.write( "Outer : $\"%28-1%29%28sqrt%283%29i%29%29=-sqrt%283%29i\"$
\n" ); document.write( "Inner : $\"%28sqrt%283%29i%29%28-1%29%29=-sqrt%283%29i\"$
\n" ); document.write( "Last : $\"%28sqrt%283%29i%29%28sqrt%283%29i%29=3%2A-1=-3\"$
\n" ); document.write( "Now sum all of the terms,
\n" ); document.write( " $\"%28-1%2Bsqrt%283%29i%29%28-1%2Bsqrt%283%29i%29=1-sqrt%283%29i-sqrt%283%29i-3\"$
\n" ); document.write( " $\"%28-1%2Bsqrt%283%29i%29%28-1%2Bsqrt%283%29i%29=-2-2sqrt%283%29i\"$
\n" ); document.write( " \n" ); document.write( "

\n" );