document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=191781>Question 191781</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1602773033/algebrahomeworkh>saxon algebra 2</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Find the roots of the polynomial function.<BR>\n" );
document.write( "f(x)=4^3-10x^2-6x<BR>\n" );
document.write( "=5+-1over 4<BR>\n" );
document.write( "what are the roots?  Am I correct so far? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #143895 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=143895\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let  y=  -10x^2  -6x  +4^3  =   -10x^2  -6x  +64\r<BR>\n" );
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document.write( "at  y=0,   0= -10x^2 -6x +64\r<BR>\n" );
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document.write( "0=  10x^2+6x-64<BR>\n" );
document.write( "0=2(5x^2 +3x -32)\r<BR>\n" );
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document.write( "use  quadratic  eqn  to  solve\r<BR>\n" );
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document.write( "x= ( -(3)  +-  (  (3)^2 - 4 (5) (-32) )^1/2  )  /  2 (5)\r<BR>\n" );
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document.write( "x=(  -3  +- (  9+640)^1/2 ) /10\r<BR>\n" );
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document.write( "x=(-3 +-25.5) / 10\r<BR>\n" );
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document.write( "x=+2.25,  (-2.85)\r<BR>\n" );
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document.write( "check\r<BR>\n" );
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document.write( "ok  using  calc </SPAN>\n" );
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