document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=161578>Question 161578</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having a problem with an equation but cannot figure out how to find it. The problem is:   30^2 = ((s+7)(1.5))^2 + (2s)^2<BR>\n" );
document.write( "The answer for \"s\" is 9. What am I doing wrong?\r<BR>\n" );
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document.write( "(30)(30) = ((1.5s)+(1.5)(7))^2 + (2s)(2s)<BR>\n" );
document.write( "     900 = (1.5s + 10.5)^2 + 4s^2<BR>\n" );
document.write( "     900 = ((1.5s)(1.5s)+ (10.5)(10.5)) + 4s^2<BR>\n" );
document.write( "     900 = 2.25s^2 + 110.25 + 4s^2<BR>\n" );
document.write( "     900 - 110.25 = 2.25s^2 +110.25-110.25 + 4s^2<BR>\n" );
document.write( "  789.75 = 6.25s^2<BR>\n" );
document.write( "789.75/6.25 = 6.25s^2/6.25<BR>\n" );
document.write( "126.36 = s^2<BR>\n" );
document.write( "sqrt 126.36 = s    ---sqrt 126.36 does not equal 9--- <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 #119033 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=119033\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I am having a problem with an equation but cannot figure out how to find it. The problem is: 30^2 = ((s+7)(1.5))^2 + (2s)^2<BR>\n" );
document.write( "The answer for \"s\" is 9. What am I doing wrong? <BR>\n" );
document.write( "(30)(30) = ((1.5s)+(1.5)(7))^2 + (2s)(2s)<BR>\n" );
document.write( "900 = (1.5s + 10.5)^2 + 4s^2<BR>\n" );
document.write( "***************** You left out the s term in (1.5s + 10.5)^2<BR>\n" );
document.write( "** (1.5s + 10.5)^2 = 2.25s^2 + 2*1.5*10.5s + 110.25<BR>\n" );
document.write( "***********<BR>\n" );
document.write( "900 = ((1.5s)(1.5s)+ (10.5)(10.5)) + 4s^2<BR>\n" );
document.write( "900 = 2.25s^2 + 110.25 + 4s^2<BR>\n" );
document.write( "900 - 110.25 = 2.25s^2 +110.25-110.25 + 4s^2<BR>\n" );
document.write( "789.75 = 6.25s^2<BR>\n" );
document.write( "789.75/6.25 = 6.25s^2/6.25<BR>\n" );
document.write( "126.36 = s^2<BR>\n" );
document.write( "sqrt 126.36 = s ---sqrt 126.36 does not equal 9--- <BR>\n" );
document.write( "--------------------------- </SPAN>\n" );
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