document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=678975>Question 678975</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello - \r<BR>\n" );
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document.write( "I am having trouble solving the two equations below where i have to find the domain. I am using the quadratic formula to solve them. Because i thought it would be the easiest way to solve it.. But i am running into errors obtaining the final answer. Can someone explain. \r<BR>\n" );
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document.write( "1) f(x) = (x^4-8x^3+9)/3x^2-5x-28<BR>\n" );
document.write( "2) f(x) = x^2+3x-13\r<BR>\n" );
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document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #421700 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=421700\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) where the denominator cannot be zero<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5E2-5x-28+=+0 ALIGN=MIDDLE  ALT=\"3x%5E2-5x-28+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3x+7)(x-4) = 0<BR>\n" );
document.write( "Domain is all real numbers except 4 and -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F3 ALIGN=MIDDLE  ALT=\"7%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-20%2C20%2C-30%2C30%2C%28x%5E4-8x%5E3%2B9%29%2F%283x%5E2-5x-28%29%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-20%2C20%2C-30%2C30%2C%28x%5E4-8x%5E3%2B9%29%2F%283x%5E2-5x-28%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "...<BR>\n" );
document.write( "2) domain is all real numbers<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-10%2C10%2C-20%2C10%2Cx%5E2%2B3x-13%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-10%2C10%2C-20%2C10%2Cx%5E2%2B3x-13%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( ".....................<BR>\n" );
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