document.write( "Question 687745: What is the simplest explanation on how to factor 4a^2 - 4a + 1, as well as 81r^2 minus 36rs plus 4s^2? \n" );
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Algebra.Com's Answer #425314 by stanbon(75887) ![]() You can put this solution on YOUR website! What is the simplest explanation on how to factor 4a^2 - 4a + 1, as well as 81r^2 minus 36rs plus 4s^2?\r \n" ); document.write( "\n" ); document.write( "----- \n" ); document.write( "Both ae \"perfect square trinomials. \n" ); document.write( "---- \n" ); document.write( "4a^2 - 4a + 1 = (2a-1)^2 \n" ); document.write( "------ \n" ); document.write( "81r^2 minus 36rs plus 4s^2 = (9r-2s)^2 \n" ); document.write( "========================================== \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( "====================== \n" ); document.write( " |