document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=446291>Question 446291</A>: <I><SPAN STYLE=\"word-break: break-all;\"> f(x) = 2x² + x - 5\r<BR>\n" );
document.write( "\n" );
document.write( "replace x with 3\r<BR>\n" );
document.write( "\n" );
document.write( "Can someone tell me do we multiply 2 by 3 first or after square root?\r<BR>\n" );
document.write( "\n" );
document.write( "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 #307331 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=307331\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x) = 2x² + x - 5\r<BR>\n" );
document.write( "\n" );
document.write( "replace x with 3\r<BR>\n" );
document.write( "\n" );
document.write( "Can someone tell me do we multiply 2 by 3 first or after square root?<BR>\n" );
document.write( "you really mean \"square\" as opposed to square root.<BR>\n" );
document.write( "but, to answer your question, you apply the \"order of operations\" (PEMDAS)<BR>\n" );
document.write( "exponents first...<BR>\n" );
document.write( ".<BR>\n" );
document.write( "f(x) = 2x² + x - 5<BR>\n" );
document.write( "f(3) = 2*3² + 3 - 5<BR>\n" );
document.write( "f(3) = 2*9 + 3 - 5<BR>\n" );
document.write( "f(3) = 18 + 3 - 5<BR>\n" );
document.write( "f(3) = 21 - 5<BR>\n" );
document.write( "f(3) = 16<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );