document.write( "Question 243334: I need help factoring this trinomial.
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document.write( "Problem:c^2+3cd-28d^2.\r
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document.write( "I know that it will be something like this
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document.write( "(c- )(c+ )
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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" );
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Algebra.Com's Answer #178265 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! c^2+3cd-28d^2 \n" ); document.write( "(c+7d)(c-4d) ans. \n" ); document.write( " |