document.write( "Question 243334: I need help factoring this trinomial.
\n" ); document.write( "Problem:c^2+3cd-28d^2.\r
\n" ); document.write( "\n" ); document.write( "I know that it will be something like this
\n" ); document.write( "(c- )(c+ )
\n" ); document.write( "I believe it will be prime because I can't find any factors of -28 that add up to the middle term which is 3. I could be missing a step.
\n" ); document.write( "

Algebra.Com's Answer #178265 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
c^2+3cd-28d^2
\n" ); document.write( "(c+7d)(c-4d) ans.
\n" ); document.write( "
\n" );