document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=147916>Question 147916</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the equation x2 + 3x - 9 = 0. <BR>\n" );
document.write( "multiply and simplify (3x+5) (x-3)<BR>\n" );
document.write( "3x(2x2 + 5x - 4) = <BR>\n" );
document.write( "Factor the expression 6x2 - 27x - 15 completely.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #108296 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=108296\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2 + 3x - 9 = 0 then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-3+%2B-+sqrt%28+3%5E2-4%2A1%2A%28-9%29+%29%29%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-3+%2B-+sqrt%28+3%5E2-4%2A1%2A%28-9%29+%29%29%2F%282%2A1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-3+%2B-+sqrt%28+45+%29%29%2F2+ ALIGN=MIDDLE  ALT=\"x+=+%28-3+%2B-+sqrt%28+45+%29%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "(3x+5)(x-3)=3x^2+5x-9x-15 = 3x^2-4x-15<BR>\n" );
document.write( "3x(2x2 + 5x - 4) = 6x^3+15x^2-12x\r<BR>\n" );
document.write( "\n" );
document.write( "6x^2 - 27x - 15=0 then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%2827+%2B-+sqrt%28+%28-27%29%5E2-4%2A6%2A%28-15%29+%29%29%2F%282%2A6%29+ ALIGN=MIDDLE  ALT=\"x+=+%2827+%2B-+sqrt%28+%28-27%29%5E2-4%2A6%2A%28-15%29+%29%29%2F%282%2A6%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%2827+%2B-+sqrt%28+1089+%29%29%2F12+ ALIGN=MIDDLE  ALT=\"x+=+%2827+%2B-+sqrt%28+1089+%29%29%2F12+\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%2827+%2B-+%2833%29%29%2F12+ ALIGN=MIDDLE  ALT=\"x+=+%2827+%2B-+%2833%29%29%2F12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "then x=5 or x=-1/2\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "then 6x^2 - 27x - 15= 6(x-5)(x+1/2) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );