document.write( "Question 143125: what meathod do i use b/c i dont get it.
\n" ); document.write( "(-5a^2)(-2ab^4)
\n" ); document.write( "

Algebra.Com's Answer #104143 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
-5a^2
\n" ); document.write( "-2ab^4 now multiply
\n" ); document.write( "-----------------------
\n" ); document.write( "10a^3b^4
\n" ); document.write( "
\n" );