document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=190867>Question 190867</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Homework - absolute value\r<BR>\n" );
document.write( "\n" );
document.write( "abs(x^2-3) = 2x\r<BR>\n" );
document.write( "\n" );
document.write( "I know in absolute value you work it twice once + then -, but im not sure what to do with this one. Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #143321 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=143321\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If you have the equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=abs%28x%29=a ALIGN=MIDDLE  ALT=\"abs%28x%29=a\"   DISABLED_style= \"max-width:90%; height:auto;\" >, to find \"x\", you simply solve the two equations <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=a ALIGN=MIDDLE  ALT=\"x=a\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-x=a ALIGN=MIDDLE  ALT=\"-x=a\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So in this case, to solve <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=abs%28x%5E2-3%29+=+2x ALIGN=MIDDLE  ALT=\"abs%28x%5E2-3%29+=+2x\"   DISABLED_style= \"max-width:90%; height:auto;\" >, you'll need to solve <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-3=2x ALIGN=MIDDLE  ALT=\"x%5E2-3=2x\"   DISABLED_style= \"max-width:90%; height:auto;\" > (you'll get two solutions here) <u>and</u> you'll need to solve <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-%28x%5E2-3%29=2x ALIGN=MIDDLE  ALT=\"-%28x%5E2-3%29=2x\"   DISABLED_style= \"max-width:90%; height:auto;\" > (you'll get two more solutions here)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Once you have the four possible solutions, you need to check them. If any possible solutions do not satisfy the original equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=abs%28x%5E2-3%29+=+2x ALIGN=MIDDLE  ALT=\"abs%28x%5E2-3%29+=+2x\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then they are not a solution.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Let me know if this makes sense. If not, then repost or email me. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );