document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=197603>Question 197603</A>: <I><SPAN STYLE=\"word-break: break-all;\"> f(x)= ax^2+ bx+ 5   Find a and b if f(x+1)- f(x)=8x+3<BR>\n" );
document.write( "I have never had to do a problem like this so i have no work to show because i dont know how to begin. I really nedd help. Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #148177 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=148177\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)= ax^2+ bx+ 5 Find a and b if f(x+1)- f(x)=8x+3<BR>\n" );
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document.write( "f(x+1) = a(x+1)^2 + b(x+1) + 5<BR>\n" );
document.write( "f(x+1) = ax^2 + 2ax + a + bx + b + 5<BR>\n" );
document.write( "f(x+1) = ax^2 + (2a+b)x + (a+b+5)<BR>\n" );
document.write( "Now subtract f(x) = ax^2 + bx + 5 to get:<BR>\n" );
document.write( "f(x+1)-f(x) = 2ax + a+b<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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