document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=182919>Question 182919</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2.<BR>\n" );
document.write( "Simplify the algebraic expression<BR>\n" );
document.write( "7x2 - 4y + 3x2 + 5y + 2 <BR>\n" );
document.write( "and evaluate it for x = 3, y = 9.<BR>\n" );
document.write( "Identify the variables, constants, and coefficients in the simplified expression.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #137323 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=137323\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "Simplify the algebraic expression\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{          }\math 7x^2 - 4y + 3x^2 + 5y + 2 \">\r<BR>\n" );
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document.write( "and evaluate it for <i>x</i> = 3, <i>y</i> = 9.\r<BR>\n" );
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document.write( "Combine like terms:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{          }\math (7 + 3)x^2 + (-4 + 5)y + 2 = 10x^2 + y + 2\">\r<BR>\n" );
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document.write( "There are three terms:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{1.          }\math 10x^2\">, variable <i>x</i>, coefficient 10,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{2.          }\math y\">, variable <i>y</i>, coefficient 1, and\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{3.          }\math 2\">, the constant term.\r<BR>\n" );
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document.write( "Evaluate:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{          }\math 10(3)^2 + (9) + 2\">\r<BR>\n" );
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document.write( "Just do the arithmetic.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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