document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=31147>Question 31147</A>: <I><SPAN STYLE=\"word-break: break-all;\"> could someone please help me with this problem?\r<BR>\n" );
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document.write( "Solve the following system of equations by graphing:<BR>\n" );
document.write( "y=x^2-4 and y=x-2<BR>\n" );
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 #17862 by </B><A HREF=/tutors/aboutme.mpl?userid=mukhopadhyay><B>mukhopadhyay(490)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mukhopadhyay><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=17862\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=x^2-4<BR>\n" );
document.write( "=>y=(x-2)(x+2)\r<BR>\n" );
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document.write( "Substituting y=x-2 in the above equation we get,  <BR>\n" );
document.write( "y=y(x+2)\r<BR>\n" );
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document.write( "From the above we get, either y = 0 or (x+2) = 1(dividing both sides by y)<BR>\n" );
document.write( "x+2=1=>x=-1;<BR>\n" );
document.write( "If x=-1, y =x-2=>y=-1-2=-3\r<BR>\n" );
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document.write( "If y=0, y=x-2=>0=x-2=>x=2\r<BR>\n" );
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document.write( "The answers are: either x=-1 and y=-3; or x=2 and y=0\r<BR>\n" );
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document.write( "You can put the solutions in the original equation to verify\r<BR>\n" );
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