document.write( "Question 1013737: Show, using a numerical example, that the expressions (x+2)^2 and x^2+4 are not equivalent.
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Algebra.Com's Answer #630029 by ikleyn(52787) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "substitute x = 1 in each expression and compare.\r
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\n" ); document.write( "\n" ); document.write( " $\"%281+%2B+2%29%5E2\"$ = $\"3%5E2\"$ = 9.\r
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\n" ); document.write( "\n" ); document.write( " $\"1%5E2+%2B+2\"$ = $\"1+%2B+2\"$ = 3.\r
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\n" ); document.write( "\n" ); document.write( "Are these the same?\r
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