document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=89199>Question 89199</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the solution sets.\r<BR>\n" );
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document.write( "4x^2 - 25 = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #64834 by </B><A HREF=/tutors/aboutme.mpl?userid=praseenakos@yahoo.com><B>praseenakos@yahoo.com(507)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=praseenakos@yahoo.com><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=praseenakos@yahoo.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=64834\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Question \r<BR>\n" );
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document.write( "Find the solution sets.\r<BR>\n" );
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document.write( "4x^2 - 25 = 0\r<BR>\n" );
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document.write( "Answer.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4x%5E2+-+25+=+0+ ALIGN=MIDDLE  ALT=\"+4x%5E2+-+25+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "This can be written as .....\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%282x%29%5E2+-+25+=+0+ ALIGN=MIDDLE  ALT=\"+%282x%29%5E2+-+25+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, which is of the form, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a%5E2+-+b%5E2 ALIGN=MIDDLE  ALT=\"+a%5E2+-+b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "We know that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a%5E2+-+b%5E2 ALIGN=MIDDLE  ALT=\"+a%5E2+-+b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > can be written as, <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a%5E2+-+b%5E2 ALIGN=MIDDLE  ALT=\"+a%5E2+-+b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >= (a + b) ( a - b)\r<BR>\n" );
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document.write( "Similarly \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%282x%29%5E2+-+25+=+0+ ALIGN=MIDDLE  ALT=\"+%282x%29%5E2+-+25+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ==> (2x + 5)( 2x - 5 ) = 0\r<BR>\n" );
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document.write( "==> either (2x + 5) = 0  or ( 2x - 5 ) = 0\r<BR>\n" );
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document.write( "==> 2x + 5 = 0   \r<BR>\n" );
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document.write( "Subtract 5 from both sides.....\r<BR>\n" );
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document.write( "==> 2x - 5 - 5 = 0 - 5<BR>\n" );
document.write( "    \r<BR>\n" );
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document.write( "==> 2x = -5  \r<BR>\n" );
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document.write( "Divide both sides by 2\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2x%2F2+=+-5%2F2+ ALIGN=MIDDLE  ALT=\"+2x%2F2+=+-5%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+-2.5+ ALIGN=MIDDLE  ALT=\"+x+=+-2.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now  suppose  2x-5 = 0 \r<BR>\n" );
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document.write( "Add 5 on both sides....\r<BR>\n" );
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document.write( "2x - 5 + 5 = 0 + 5\r<BR>\n" );
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document.write( "==> 2x = 5\r<BR>\n" );
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document.write( "Divide both sides by 2\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2F2+=+5%2F2 ALIGN=MIDDLE  ALT=\"2x%2F2+=+5%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+2.5 ALIGN=MIDDLE  ALT=\"+x+=+2.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So the solution set is = { 2.5, -2.5 }\r<BR>\n" );
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document.write( "Hope you found the explanation useful.\r<BR>\n" );
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document.write( "Regards.\r<BR>\n" );
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document.write( "Praseena\r<BR>\n" );
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document.write( "         \r<BR>\n" );
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document.write( " </SPAN>\n" );
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