document.write( "Question 642640: Given: f(x) = x2 + 2x + 1, find f(x + h) and simplify \n" ); document.write( "
Algebra.Com's Answer #404170 by jim_thompson5910(35256)\"\" \"About 
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f(x) = x^2 + 2x + 1\r
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\n" ); document.write( "\n" ); document.write( "f(x+h) = (x+h)^2 + 2(x+h) + 1\r
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\n" ); document.write( "\n" ); document.write( "f(x+h) = (x^2+2xh+h^2) + 2(x+h) + 1\r
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\n" ); document.write( "\n" ); document.write( "f(x+h) = x^2+2xh+h^2 + 2x+2h + 1
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