document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1112603>Question 1112603</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi,<BR>\n" );
document.write( "Please help me to solve step-by-step on these questions. <BR>\n" );
document.write( "Thank you very much.<BR>\n" );
document.write( "7. Refer to Section 7.2 in the text for examples to subtract the following rational expression. Show the steps necessary to get a common denominator, perform the operation, and simplify the final answer to lowest terms :<BR>\n" );
document.write( "	(n^2-5n)/(n^2+8n+16) - 6/(n + 4)<BR>\n" );
document.write( "9. Given the rational equation :<BR>\n" );
document.write( "	x/(x+1) + 9x/(x^2+3x+2) = 12/(x+2)\r<BR>\n" );
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document.write( "	List the values of x (if any) for which the expressions in this equation are undefined.<BR>\n" );
document.write( "	What expression could be used to clear the fractions ?<BR>\n" );
document.write( "	Solve the equation showing all steps. Be sure to check the solutions.<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 #727680 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=727680\">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=%28%28n%5E2-5n%29%2F%28n%5E2%2B8n%2B16%29%29+-+%286%2F%28n+%2B+4%29%29 ALIGN=MIDDLE  ALT=\"%28%28n%5E2-5n%29%2F%28n%5E2%2B8n%2B16%29%29+-+%286%2F%28n+%2B+4%29%29\"   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=%28%28n%28n-5%29%29%2F%28%28n%2B4%29%5E2%29%29+-+%286%2F%28n+%2B+4%29%29 ALIGN=MIDDLE  ALT=\"%28%28n%28n-5%29%29%2F%28%28n%2B4%29%5E2%29%29+-+%286%2F%28n+%2B+4%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "LCD (n+4)^2\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28n%28n-5%29%29+-+%286%2A%28n+%2B+4%29%29%29%2F%28n%2B4%29%5E2 ALIGN=MIDDLE  ALT=\"%28%28n%28n-5%29%29+-+%286%2A%28n+%2B+4%29%29%29%2F%28n%2B4%29%5E2\"   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=%28n%5E2-5n+-6n+-24%29%2F%28n%2B4%29%5E2 ALIGN=MIDDLE  ALT=\"%28n%5E2-5n+-6n+-24%29%2F%28n%2B4%29%5E2\"   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=%28n%5E2+-11n+-24%29%2F%28n%2B4%29%5E2 ALIGN=MIDDLE  ALT=\"%28n%5E2+-11n+-24%29%2F%28n%2B4%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "--------\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2F%28x%2B1%29%29+%2B+%289x%2F%28x%5E2%2B3x%2B2%29%29+=+%2812%2F%28x%2B2%29%29 ALIGN=MIDDLE  ALT=\"%28x%2F%28x%2B1%29%29+%2B+%289x%2F%28x%5E2%2B3x%2B2%29%29+=+%2812%2F%28x%2B2%29%29\"   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=%28x%2F%28x%2B1%29%29+%2B+%289x%2F%28%28x%2B2%29%28x%2B1%29%29%29+=+%2812%2F%28x%2B2%29%29 ALIGN=MIDDLE  ALT=\"%28x%2F%28x%2B1%29%29+%2B+%289x%2F%28%28x%2B2%29%28x%2B1%29%29%29+=+%2812%2F%28x%2B2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "For x=-1 or x=-2 not defined\r<BR>\n" );
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document.write( "Multiply the equation by (x+1)(x+2)\r<BR>\n" );
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document.write( "weget\r<BR>\n" );
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document.write( "x(x+2) +9x = 12(x+1)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B2x%2B9x=12x%2B12 ALIGN=MIDDLE  ALT=\"x%5E2%2B2x%2B9x=12x%2B12\"   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%5E2%2B11x=12x%2B12 ALIGN=MIDDLE  ALT=\"x%5E2%2B11x=12x%2B12\"   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%5E2-x-12=0 ALIGN=MIDDLE  ALT=\"x%5E2-x-12=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "(x-4)(x+3)=0\r<BR>\n" );
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document.write( "x=4 or -3\r<BR>\n" );
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document.write( "Plug x=4\r<BR>\n" );
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document.write( "(4/(4+1)) + (9*4/((4+2)(4+1))) = 2\r<BR>\n" );
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document.write( "12/(x+2) -> 12/(4+2)=2\r<BR>\n" );
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document.write( "You plug -3 and try\r<BR>\n" );
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