document.write( "Question 547505: what is the value of the expression 2x2+3xy-4y2 when x=2 and y=-4? \n" ); document.write( "
Algebra.Com's Answer #356402 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 2x2+3xy-4y2 when x=2 and y=-4?\r \n" ); document.write( "\n" ); document.write( "2*(2^2) +3(2)(-4)-4(-4)^2 \n" ); document.write( "=-80 \n" ); document.write( " |