document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=86672>Question 86672</A>: <I><SPAN STYLE=\"word-break: break-all;\"> square root of 144 + 3[8+7(2-3)]= I can't seem to get the right answer which is 15 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #62682 by </B><A HREF=/tutors/aboutme.mpl?userid=bucky><B>bucky(2189)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=bucky><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=62682\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28144%29+%2B+3%288%2B7%282-3%29%29=+y ALIGN=MIDDLE  ALT=\"sqrt%28144%29+%2B+3%288%2B7%282-3%29%29=+y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Find y<BR>\n" );
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document.write( "First you can do <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28144%29+=+12 ALIGN=MIDDLE  ALT=\"sqrt%28144%29+=+12\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Substitute this and the equation becomes:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12+%2B+3%288%2B7%282-3%29%29+=+y ALIGN=MIDDLE  ALT=\"12+%2B+3%288%2B7%282-3%29%29+=+y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Now start with the most nested (the interior) set of parentheses.  These are the parentheses<BR>\n" );
document.write( "that contain 2 - 3.  Since 2 - 3 = -1 we can substitute this and the equation becomes:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12+%2B+3%288%2B7%28-1%29%29+=+y ALIGN=MIDDLE  ALT=\"12+%2B+3%288%2B7%28-1%29%29+=+y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Then multiply 7 times the -1 and get -7. Substitute -7 for 7(-1) and the equation then<BR>\n" );
document.write( "becomes:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12+%2B+3%288+-+7%29+=+y ALIGN=MIDDLE  ALT=\"12+%2B+3%288+-+7%29+=+y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Then subtract 7 from 8 to get +1. Substitute +1 for the parentheses and you have:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12+%2B+3%28%2B1%29+=+y ALIGN=MIDDLE  ALT=\"12+%2B+3%28%2B1%29+=+y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Multiply 3 times +1 and the equation is reduced to:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12+%2B+3+=+y ALIGN=MIDDLE  ALT=\"12+%2B+3+=+y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "and the answer (y) is equal to 12 + 3 and this is +15<BR>\n" );
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document.write( "Hope this explains where the answer came from.<BR>\n" );
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