document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=703311>Question 703311</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you answer this question (and try to show your steps, if possible). Thank you.\r<BR>\n" );
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document.write( "Given f(x) = 2x^2+8x-4 and g(x)=-5x+6, find (f-g)(x) </SPAN>\n" );
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document.write( "Given f(x) = 2x^2+8x-4 and g(x)=-5x+6, find (f-g)(x)\r<BR>\n" );
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document.write( "People get most confused with the notation.<BR>\n" );
document.write( "(f-g)(x) = f(x)-g(x)  <BR>\n" );
document.write( "This notation just means we are subtracting the two functions to create a new function.<BR>\n" );
document.write( "(2x^2 + 8x - 4) - (-5x + 6)<BR>\n" );
document.write( "Since we are subtracting that second polynomial make sure to distribute the negative, i.e. flipping the signs in the second expression to get<BR>\n" );
document.write( "2x^2 + 8x - 4 + 5x - 6<BR>\n" );
document.write( "Simplify by combining like terms<BR>\n" );
document.write( "2x^2 + 13x -10<BR>\n" );
document.write( "So (f - g)(x) = 2x^2 + 13x -10 </SPAN>\n" );
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