document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=183960>Question 183960</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the value of the expression 2x squared + 3xy - 4y squared when x=2 and y=-4?<BR>\n" );
document.write( "A. -80<BR>\n" );
document.write( "B. 80<BR>\n" );
document.write( "C. -32<BR>\n" );
document.write( "D. 32\r<BR>\n" );
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document.write( "My solution\r<BR>\n" );
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document.write( "8+3(2)(-4) - 4(-4) squared<BR>\n" );
document.write( "8+(-24)-64<BR>\n" );
document.write( "-32-64 = -96\r<BR>\n" );
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document.write( "Help me! What am I doing wrong? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #137999 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=137999\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the value of the expression 2x squared + 3xy - 4y squared when x=2 and y=-4?<BR>\n" );
document.write( "A. -80<BR>\n" );
document.write( "B. 80<BR>\n" );
document.write( "C. -32<BR>\n" );
document.write( "D. 32 <BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "2x^2 + 3xy - 4y^2<BR>\n" );
document.write( "-------------------------------------<BR>\n" );
document.write( "2(2)^2 + 3*2*4 - 4*4^2\r<BR>\n" );
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document.write( "= 8 + 24 - 64\r<BR>\n" );
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document.write( "= -32<BR>\n" );
document.write( "=======================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );