document.write( "Question 140373: evaluate x=-3 and y=-4 2xsquare - ysquare + 2xy \n" ); document.write( "
Algebra.Com's Answer #102218 by checkley77(12844) ![]() You can put this solution on YOUR website! 2X^2-Y^2+2XY \n" ); document.write( "2(-3)^2-(-4)^2+2*-3*-4 \n" ); document.write( "2*9-16+2*12 \n" ); document.write( "18-16+24 \n" ); document.write( "42-16=26 ANSWER. \n" ); document.write( " |