document.write( "Question 1116627: Factorise : a^2-b^2-4ac+4c^2 \n" ); document.write( "
Algebra.Com's Answer #731537 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Factorise : a^2-b^2-4ac+4c^2 \n" ); document.write( "= a^2-4ac+4c^2 - b^2 \n" ); document.write( "= (a-2c)^2 - b^2 \n" ); document.write( "= (a-2c-b)*(a-2c+b) \n" ); document.write( " |