document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=165868>Question 165868</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0918091802/algebrahomeworkh>Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I am working on this in Applications and I can get to the last step but then I don't know how they get the answer: I have tried to multiply and add, subtract, and divide but I still can't understand the last step...\r<BR>\n" );
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document.write( "Here is and ex:  <BR>\n" );
document.write( "Find a negative real number such that the square of the sum of the number and 16 is equal to 36. (If there are two correct answers, either can be entered.) <BR>\n" );
document.write( "I want to know how they get the number 256. this is how it is set up <BR>\n" );
document.write( "x +16 squared =36<BR>\n" );
document.write( "x squared + 32x+256=36<BR>\n" );
document.write( "x squared + 32x = 220=0 \r<BR>\n" );
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document.write( "I understand the steps except how they get the 256. Can you help me Please? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #122261 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=122261\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the number be -n (a negative real number), then, from the problem description, you have:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-n%2B16%29%5E2+=+36 ALIGN=MIDDLE  ALT=\"%28-n%2B16%29%5E2+=+36\"   DISABLED_style= \"max-width:90%; height:auto;\" > \"...the square of the sum of the number and 16 is equal to 36.\" <BR>\n" );
document.write( "Square the left side of the equation.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%5E2-32n%2B256+=+36 ALIGN=MIDDLE  ALT=\"n%5E2-32n%2B256+=+36\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 36 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%5E2-32n%2B220+=+0 ALIGN=MIDDLE  ALT=\"n%5E2-32n%2B220+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > Solve by factoring this quadratic equation.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28n-10%29%28n-22%29+=+0 ALIGN=MIDDLE  ALT=\"%28n-10%29%28n-22%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > So...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+10 ALIGN=MIDDLE  ALT=\"n+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+22 ALIGN=MIDDLE  ALT=\"n+=+22\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The answers should be: -10 and -22<BR>\n" );
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