document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=607536>Question 607536</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi,<BR>\n" );
document.write( "I want to know if this is correct please.<BR>\n" );
document.write( "x^2+20=8x<BR>\n" );
document.write( "I have to type the answer in a+bi form, which I am not sure if this is right or I have to put the * sign before the i.\r<BR>\n" );
document.write( "\n" );
document.write( "x= 8+4i/2, 8-4i/2\r<BR>\n" );
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document.write( "Thanks,<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #382758 by </B><A HREF=/tutors/aboutme.mpl?userid=alicealc><B>alicealc(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=alicealc><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=382758\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> no, you don't need to put * sign before the i<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B20=8x ALIGN=MIDDLE  ALT=\"x%5E2%2B20=8x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-8x%2B20=0 ALIGN=MIDDLE  ALT=\"x%5E2-8x%2B20=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Use the formula:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a = 1, b = -8, c = 20<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-%28-8%29+%2B-+sqrt%28+%28-8%29%5E2-4%2A1%2A20+%29%29%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-%28-8%29+%2B-+sqrt%28+%28-8%29%5E2-4%2A1%2A20+%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+=+%288+%2B-+sqrt%28+64-80+%29%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"x+=+%288+%2B-+sqrt%28+64-80+%29%29%2F%282%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+=+%288+%2B-+sqrt%28+-16+%29%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"x+=+%288+%2B-+sqrt%28+-16+%29%29%2F%282%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+=+%288+%2B-+sqrt%28+16%2A%28-1%29+%29%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"x+=+%288+%2B-+sqrt%28+16%2A%28-1%29+%29%29%2F%282%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+=+%288+%2B-+4i%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"x+=+%288+%2B-+4i%29%2F%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so, the answer is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%288+%2B+4i%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"x+=+%288+%2B+4i%29%2F%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%288+-+4i%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"x+=+%288+-+4i%29%2F%282%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+=+4+%2B+2i+ ALIGN=MIDDLE  ALT=\"x+=+4+%2B+2i+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+4+-+2i+ ALIGN=MIDDLE  ALT=\"x+=+4+-+2i+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So, there are 2 solutions.<BR>\n" );
document.write( "You could put the solution into a + bi form in which<BR>\n" );
document.write( "a = 4, b = 2 for the answer x = 4 + 2i<BR>\n" );
document.write( "and<BR>\n" );
document.write( "a = 4, b = -2 for the answer x = 4 - 2i (this is the same as x = 4 + (-2)i)  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );