document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=473000>Question 473000</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Evaluate [f(x+h)-f(x)]/h and simplify if f(x)=x^2-2x\r<BR>\n" );
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document.write( "Help please! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #324323 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=324323\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)=x^2-2x \r<BR>\n" );
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document.write( "f(x+h)=(x+h)^2-2(x+h)\r<BR>\n" );
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document.write( "f(x+h)=x^2+2xh+h^2-2x-2h\r<BR>\n" );
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document.write( "[f(x+h)-f(x)]/h\r<BR>\n" );
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document.write( "[(x^2+2xh+h^2-2x-2h)-(x^2-2x)]/h\r<BR>\n" );
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document.write( "[x^2+2xh+h^2-2x-2h-x^2+2x]/h\r<BR>\n" );
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document.write( "[2xh+h^2-2h]/h\r<BR>\n" );
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document.write( "[h(2x+h-2)]/h\r<BR>\n" );
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document.write( "2x+h-2\r<BR>\n" );
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document.write( "2x-2+h\r<BR>\n" );
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document.write( "So [f(x+h)-f(x)]/h = 2x-2+h when f(x)=x^2-2x </SPAN>\n" );
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