document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=384464>Question 384464</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My son (14) says there is no solution to his homework question, is he correct\r<BR>\n" );
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document.write( "(w+x)(y+z)\r<BR>\n" );
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document.write( "w*y=4<BR>\n" );
document.write( "x*z= -15\r<BR>\n" );
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document.write( "(w*z)+(x*Y)=1\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #272171 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=272171\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> My son (14) says there is no solution to his homework question, is he correct \r<BR>\n" );
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document.write( "(w+x)(y+z) <BR>\n" );
document.write( "w*y=4<BR>\n" );
document.write( "x*z= -15 <BR>\n" );
document.write( "(w*z)+(x*y)=1 <BR>\n" );
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document.write( "(w+x)(y+z) = wy+wz+xy+xz<BR>\n" );
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document.write( "Substitute to get:<BR>\n" );
document.write( "4 + 1 -15 = -10<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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