document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=819255>Question 819255</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, I need an explanation on this problem: 3p^2 + 4p = 5\r<BR>\n" );
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document.write( "The answer is P=2±sqrt(19)/3\r<BR>\n" );
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document.write( "For whatever reason, after using the quadratic formula, I get P=-2± sqrt(19)/3\r<BR>\n" );
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document.write( "As we know, the quadratic formula requires us to change the \"4\" in the problem to a \"-4\" [p=-4p± sqrt4^2-4(3)(-5)/2(3)]. \r<BR>\n" );
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document.write( "HOW is the \"2\" a positive number? Please help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #493000 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=493000\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3p^2 + 4p = 5<BR>\n" );
document.write( "3p^2 + 4p - 5 = 0<BR>\n" );
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document.write( "the above quadratic equation is in standard form, with a=3, b=4, and c=-5<BR>\n" );
document.write( "---<BR>\n" );
document.write( "to solve the quadratic equation by using the quadratic formula, plug this:<BR>\n" );
document.write( "3 4 -5<BR>\n" );
document.write( "into this: https://sooeet.com/math/quadratic-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "the two real roots of the quadratic are:<BR>\n" );
document.write( "p = 0.786299648<BR>\n" );
document.write( "p = ( -4 + sqrt(4^2 - 4(3)(-5)) ) / 2(3)<BR>\n" );
document.write( "p = ( -4 + sqrt(16 - (-60)) ) / 2(3)<BR>\n" );
document.write( "p = ( -4 + sqrt(76) ) / 6<BR>\n" );
document.write( "p = ( -4 + sqrt(4*19) ) / 6<BR>\n" );
document.write( "p = ( -4 + (2)sqrt(19) ) / 6<BR>\n" );
document.write( "p = ( -2 + sqrt(19) ) / 3<BR>\n" );
document.write( "---<BR>\n" );
document.write( "p = -2.11963298<BR>\n" );
document.write( "p = ( -4 - sqrt(4^2 - 4(3)(-5)) ) / 2(3)<BR>\n" );
document.write( "p = ( -4 - sqrt(16 - (-60)) ) / 2(3)<BR>\n" );
document.write( "p = ( -4 - sqrt(76) ) / 6<BR>\n" );
document.write( "p = ( -4 - sqrt(4*19) ) / 6<BR>\n" );
document.write( "p = ( -4 - (2)sqrt(19) ) / 6<BR>\n" );
document.write( "p = ( -2 - sqrt(19) ) / 3<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Calculate and graph the linear regression of any data set:<BR>\n" );
document.write( "https://sooeet.com/math/linear-regression.php </SPAN>\n" );
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