document.write( "Question 942571: How would I multiply (5z-9)(5z+9)? This is what I have 25z-81. \n" ); document.write( "
Algebra.Com's Answer #574618 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 25z^2+45z-45z-81 \n" ); document.write( "25z^2-81 \n" ); document.write( "You almost got, but 5z*5z=25z^2 \n" ); document.write( " |