document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=587667>Question 587667</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could you please help? I am having trouble understanding these problems.\r<BR>\n" );
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document.write( "1. The square root of y + 15 - the square root of y -15 = 1 solve for y.<BR>\n" );
document.write( "2. -2 and the square root of - 18.<BR>\n" );
document.write( "3. 2 - the square root of 6 divided by -7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #374183 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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/cgi-bin/show-face.mpl?user=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=374183\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28y%2B15%29-sqrt%28y-15%29=1 ALIGN=MIDDLE  ALT=\"sqrt%28y%2B15%29-sqrt%28y-15%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Squaring both sides gives <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+%2B+15+%2B+y+-+15+-+2%2Asqrt%28%28y%2B15%29%28y-15%29%29+=+1 ALIGN=MIDDLE  ALT=\"y+%2B+15+%2B+y+-+15+-+2%2Asqrt%28%28y%2B15%29%28y-15%29%29+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplifiy and isolate the square root on the LHS:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%28y%2B15%29%28y-15%29%29+=+y+-+1%2F2 ALIGN=MIDDLE  ALT=\"sqrt%28%28y%2B15%29%28y-15%29%29+=+y+-+1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now square both sides again:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%2B15%29%28y-15%29+=+y%5E2+-+y+%2B+1%2F4 ALIGN=MIDDLE  ALT=\"%28y%2B15%29%28y-15%29+=+y%5E2+-+y+%2B+1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2+-+225+=+y%5E2+-y+%2B+1%2F4 ALIGN=MIDDLE  ALT=\"y%5E2+-+225+=+y%5E2+-y+%2B+1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplify:<BR>\n" );
document.write( "y = 225 1/4 </SPAN>\n" );
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