document.write( "Question 529765: Simplify (-3i)(-7i)(2i). \n" ); document.write( "
Algebra.Com's Answer #349696 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
(-3i)(-7i)(2i) = (-3*-7*2)(i*i*i) = 42i^3 = 42(-i) = -42i\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So (-3i)(-7i)(2i) = -42i
\n" ); document.write( "
\n" );