document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=303676>Question 303676</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello,\r<BR>\n" );
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document.write( "If someone could help me solve for this problem from, the Book: Intermediate Algebra by Mark Dugopolski, I would greatly appreciate it.\r<BR>\n" );
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document.write( "Evaluate each expression using a = - 1, b  =  2, and c = - 3\r<BR>\n" );
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document.write( "(a - c)(a + c)    <BR>\n" );
document.write( "{I was thinking: -1 - -3 * -1 + -3 (4 * -4 = Answer: -16) Is this correct?}\r<BR>\n" );
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document.write( "Please let me know\r<BR>\n" );
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document.write( "Thank you<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #217614 by </B><A HREF=/tutors/aboutme.mpl?userid=Stitch><B>Stitch(470)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Stitch><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=217614\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28A+-+C%29%2A%28A+%2B+C%29 ALIGN=MIDDLE  ALT=\"%28A+-+C%29%2A%28A+%2B+C%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, where A = -1, B = 2, C = -3\r<BR>\n" );
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document.write( "-16 Is not the correct answer.  I also noticed that B is not used in the equation.  Using the equation that you have posted, this is the solution:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28A+-+C%29%2A%28A+%2B+C%29 ALIGN=MIDDLE  ALT=\"%28A+-+C%29%2A%28A+%2B+C%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Substitute<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-1+-+-3%29%2A%28-1+%2B+-3%29 ALIGN=MIDDLE  ALT=\"%28-1+-+-3%29%2A%28-1+%2B+-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "You must do the operations inside the parenthesis first.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282%29%2A%28-4%29 ALIGN=MIDDLE  ALT=\"%282%29%2A%28-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28-8%29 ALIGN=MIDDLE  ALT=\"highlight%28-8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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