document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=70649>Question 70649</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0072549017/algebrahomeworkh>Beginning Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Use the ac test to determine which of the following trinomial can be factored. Find the values of m and n for each trinomial that can be factored.\r<BR>\n" );
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document.write( "x^2 + 2x - 15\r<BR>\n" );
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document.write( "________________________\r<BR>\n" );
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document.write( "x^2 - 3x + 7\r<BR>\n" );
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document.write( "I am having trouble figuring these out. Can someone help explain this to me so I can better understand this. Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #50445 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=50445\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     Use the ac test to determine which of the following trinomial can be factored. Find the values of m and n for each trinomial that can be factored.<BR>\n" );
document.write( "    x^2 + 2x - 15<BR>\n" );
document.write( "WRITE 2 FACTORS OF -15 (CONSTANT TERM )SO THAT THEIR SUM =+2(COEFFICIENT OF X)<BR>\n" );
document.write( "WE FIND +5*(-3)=-15 AND +5-3=2<BR>\n" );
document.write( "HENCE WRITE 2X AS +5X-3X<BR>\n" );
document.write( "X^2+5X-3X-15<BR>\n" );
document.write( "=X(X+5)-3(X+5)<BR>\n" );
document.write( "=(X-3)(X+5)<BR>\n" );
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document.write( "    x^2 - 3x + 7<BR>\n" );
document.write( "IN THE SAME WAY AS ABOVE ...WE CANT SPLIT 7 HENCE THIS HAS NO RATIONAL FACTORS.<BR>\n" );
document.write( "IN FACT IT HAS NO REAL FACTORS AS DISCRIMINANT = (-3)^2-4*7=9-28 IS NEGATIVE<BR>\n" );
document.write( "    I am having trouble figuring these out. Can someone help explain this to me so I can better understand this. Thanks\r<BR>\n" );
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document.write( "Yo </SPAN>\n" );
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