document.write( "Question 729482: Show steps in factoring the following expression: 21y^+72y-48 \n" ); document.write( "
Algebra.Com's Answer #445887 by MathLover1(20855)\"\" \"About 
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\n" ); document.write( "\"21y%5E2%2B72y-48\".....first factor out \"3\"\r
\n" ); document.write( "\n" ); document.write( "\"3%287y%5E2%2B24y-16%29\".......write \"24y\" as \"-4y+%2B28y\"\r
\n" ); document.write( "\n" ); document.write( "\"3%287y%5E2-4y+%2B28y-16%29\"....group\r
\n" ); document.write( "\n" ); document.write( "\"3%28%287y%5E2-4y%29%2B%2828y-16%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"3%28y%287y-4%29%2B4%287y-4%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"3%28y%2B4%29%287y-4%29\"
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