document.write( "Question 25044: Please help in explaining the differences in factoring
\n" ); document.write( "3a^2-12a and factoring 4a^2-16.\r
\n" ); document.write( "\n" ); document.write( "I am not sure where to start so any help would be great. Thanks so much.
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Algebra.Com's Answer #13432 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Look at 3a^2-12a.
\n" ); document.write( "The 1st thing you look for in factoring is a common factor.
\n" ); document.write( "Bothe terms of your problem have a factor of 3 and a factor of \"a\".
\n" ); document.write( "So you factor out the common factor of 3a to get;
\n" ); document.write( " 3a(a-4)
\n" ); document.write( "You cannot factor this further.
\n" ); document.write( "Look at 4a^2-16
\n" ); document.write( "The common factor is \"4\", so you get the following:
\n" ); document.write( " 4(a^2-4)
\n" ); document.write( "The 2nd thing you look for in factoring is the difference
\n" ); document.write( "of squares. You have that in the expression x^2-4.
\n" ); document.write( "So you must factor futher and get the following:
\n" ); document.write( " 4(a-2)(a+2)
\n" ); document.write( "You cannot factor this further.\r
\n" ); document.write( "\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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