document.write( "Question 895587: When factoring a trinomial by grouping, why is it necessary to write the trinomial in four terms? Provide an example. Thank you. \n" ); document.write( "
Algebra.Com's Answer #544067 by josgarithmetic(39628)\"\" \"About 
You can put this solution on YOUR website!
Look at how the trinomial occurs!\r
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\n" ); document.write( "\n" ); document.write( "\"%28ax%2Bb%29%28cx%2Bd%29\"
\n" ); document.write( "\"acx%5E2%2Bbcx%2Badx%2Bbd\"
\n" ); document.write( "\"acx%5E2%2B%28bc%2Bad%29x%2Bbd\"\r
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\n" ); document.write( "\n" ); document.write( "You now must understand.
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