document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=980480>Question 980480</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One dimension of a cube is increased by 1 inches to form a rectangular block.supposed that the volume of the new block is 150 cubic inches. find the length of an edge of the original cube </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #601620 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=601620\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E3 ALIGN=MIDDLE  ALT=\"x%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" > original block volume.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%28x%2B1%29=150 ALIGN=MIDDLE  ALT=\"x%5E2%28x%2B1%29=150\"   DISABLED_style= \"max-width:90%; height:auto;\" >  new block volume.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E3%2Bx%5E2=150 ALIGN=MIDDLE  ALT=\"x%5E3%2Bx%5E2=150\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E3%2Bx%5E2-150=0 ALIGN=MIDDLE  ALT=\"x%5E3%2Bx%5E2-150=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Look for rational roots with Rational Roots Theorem; three of them at most.<BR>\n" );
document.write( "Quick but good guess is that 5 may be a root.  Try checking this with synthetic division...  I did not; I'm still assuming.\r<BR>\n" );
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document.write( "So imagining <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28highlight%28x=5%29%29 ALIGN=MIDDLE  ALT=\"highlight%28highlight%28x=5%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is a solution,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E3=125 ALIGN=MIDDLE  ALT=\"x%5E3=125\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the original volume. </SPAN>\n" );
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