document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=451111>Question 451111</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 10x^2= -100x\r<BR>\n" );
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document.write( "Please tell me how to solve this problem by factoring and doing 2 checks.<BR>\n" );
document.write( "Thanks. SAL\r<BR>\n" );
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document.write( "I think the answer is x=0, x= -10. But, how do you do it? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #310224 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><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=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=310224\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First set the equation to zero;<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10x%5E2%2B100x=0 ALIGN=MIDDLE  ALT=\"10x%5E2%2B100x=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, factor 10x out and get:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10x%28x%2B10%29=0 ALIGN=MIDDLE  ALT=\"10x%28x%2B10%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Use the fact that if ab=0 then a=0 or b=o to find the roots:\r<BR>\n" );
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document.write( "10x=0=> x=0 and x+10=0 => x=-10\r<BR>\n" );
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document.write( "Answer:The solution is x=0 and x=-10.\r<BR>\n" );
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document.write( "Check:1)10*0^2=-100*0 => 0=0; 2)10*10^2=-100*(-10)=> 1000=1000. </SPAN>\n" );
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