document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=71133>Question 71133</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do I solve the following formula:\r<BR>\n" );
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document.write( "4X Squared + 70X = -150\r<BR>\n" );
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document.write( "thank you\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #50856 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=50856\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4X^2+70X=-150<BR>\n" );
document.write( "4X^2+70X+150=0 the process here is that you have to factor both the 4 & the 150 so that the sum of the products = 70. thus the factors of 4 are 1&4, 2&2. the factors of 150 are 1&150, 2&75, 3&50, 5&30, 6&25, 10&15. <BR>\n" );
document.write( "examples of the sum of products are: 2*2+2*75=4+150=154, 1*6+4*25=6+100=106,<BR>\n" );
document.write( "2*10+2*15=20+30=50 & 1*10+4*15=10+60=70 which is the pair of factors you want. <BR>\n" );
document.write( "hope this explains what needs to be done. it is a trial & error process or you could use the quadratic equation:<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( "(4X+10)(X+15)=0 <BR>\n" );
document.write( "4X+10=0<BR>\n" );
document.write( "4X=-10<BR>\n" );
document.write( "X=-10/4<BR>\n" );
document.write( "X=-2.5 ANSWER<BR>\n" );
document.write( "X+15=0<BR>\n" );
document.write( "X=-15 ANSWER<BR>\n" );
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