document.write( "Question 387240: i'm confused how to do this problem. please help\r
\n" ); document.write( "\n" ); document.write( " 49 a⁴ - 9 bē Factor completely:
\n" ); document.write( "

Algebra.Com's Answer #273761 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
49a^4-9b^2
\n" ); document.write( "=(7a^2+3b)(7a^2-3b)
\n" ); document.write( ".
\n" ); document.write( "Ed
\n" ); document.write( "
\n" );