document.write( "Question 253109: I forget the formula that applies to this problem (3a-1)^2 Do I multiple 3*2=9would I write the problem as 9a^2 +1? \n" ); document.write( "
Algebra.Com's Answer #185336 by palanisamy(496)![]() ![]() ![]() You can put this solution on YOUR website! You have to apply the formula, (a-b)^2 = a^2+b^2-2ab \n" ); document.write( " (3a-1)^2 = (3a)^2+(1)^1-2(3a)*1 \n" ); document.write( " =9a^2+1-6a \n" ); document.write( " |