document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=298537>Question 298537</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I seriously need help with quadratic formulas.   please help.\r<BR>\n" );
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document.write( "-55x+30=50x2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #214713 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=214713\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -55x+30=50x2<BR>\n" );
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document.write( "Rearrange:<BR>\n" );
document.write( "50x^2 + 55x - 30 = 0<BR>\n" );
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document.write( "Divide thru by 5 to get:<BR>\n" );
document.write( "10x^2 + 11x - 6 = 0<BR>\n" );
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document.write( "a = 10, b = 11, c = -6<BR>\n" );
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document.write( "Formula: x = [-b +- sqrt(b^2-4ac)]/(2a)<BR>\n" );
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document.write( "x = [-11 +- sqrt(121 - 4*10*-6)]/(20)<BR>\n" );
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document.write( "x = [-11 +- sqrt(361)]/(20)<BR>\n" );
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document.write( "x = [-11 + 19]/(20) or x = [-11 - 19]/(20)<BR>\n" );
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document.write( "x = (8/20) or x = -3/2<BR>\n" );
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document.write( "x = 2/5 or x = -3/2<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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