document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=988173>Question 988173</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to factor to determine the zeros of the equation\r<BR>\n" );
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document.write( "Y=2xsquared +4x-16 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #608744 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=608744\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y = 2x² + 4x - 16<BR>\n" );
document.write( "2x² + 4x - 16 = 0 {set y equal to zero, in order to find the zeros (x-intercepts)}<BR>\n" );
document.write( "2(x² + 2x - 8) = 0   {factored 2 out of left side}<BR>\n" );
document.write( "x² + 2x - 8 = 0   {divided each side by 2}<BR>\n" );
document.write( "(x + 4)(x - 2) = 0 {factored left side into two binomials}<BR>\n" );
document.write( "x + 4 = 0 or x - 2 = 0 {set each factor equal to 0}<BR>\n" );
document.write( "x = -4 or x = 2 {solved each equation for x}\r<BR>\n" );
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document.write( "zeros are -4 and 2 as shown in the graph, below<BR>\n" );
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