document.write( "Question 586029: 12ab - 30b + 4a^2 - 25b^2\r
\n" ); document.write( "\n" ); document.write( "This question must be factorised: I have tried 4a(3+a) -5b(6+5b)but I think it may be incorrect.
\n" ); document.write( "Thankyou!
\n" ); document.write( "

Algebra.Com's Answer #373576 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "12ab - 30b + 4a^2 - 25b^2 \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(12ab - 30b) + (4a^2 - 25b^2)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "6b(2a - 5) + (4a^2 - 25b^2)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "6b(2a - 5) + (2a-5b)(2a+5b)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "and this is as far as you can go. Make sure that there are no typos.
\n" ); document.write( "
\n" );