document.write( "Question 140373: evaluate x=-3 and y=-4 2xsquare - ysquare + 2xy \n" ); document.write( "
Algebra.Com's Answer #102218 by checkley77(12844)\"\" \"About 
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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.
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