document.write( "Question 359427: Discuss whether the statement, (x + y)3 is equivalent to x^3 + y^3, is true or not.\r
\n" ); document.write( "\n" ); document.write( "Identify a pair of values of x and y for which this statement is true and another pair of values for which it is not true. \r
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Algebra.Com's Answer #256545 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28x%2By%29%5E3=x%5E3%2B3x%5E2y%2B3xy%5E2%2By%5E3\"$
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\n" ); document.write( " $\"%28x%2By%29%5E3=x%5E3%2By%5E3\"$ when
\n" ); document.write( " $\"3x%5E2y%2B3xy%5E2=0\"$
\n" ); document.write( " $\"highlight%28x=-y%29\"$
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\n" ); document.write( "Example, $\"x=5\"$ , $\"y=-5\"$
\n" ); document.write( " $\"%28x%2By%29%5E3=0\"$
\n" ); document.write( " $\"x%5E3%2By%5E3=125-125=0\"$
\n" ); document.write( " $\"%28x%2By%29%5E3=x%5E3%2By%5E3\"$ \r
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\n" ); document.write( "Counterexample, $\"x=5\"$ , $\"y=5\"$
\n" ); document.write( " $\"%28x%2By%29%5E3=10%5E3=1000\"$
\n" ); document.write( " $\"x%5E3%2By%5E3=125%2B125=250\"$
\n" ); document.write( " $\"%28x%2By%29%5E3%3C%3Ex%5E3%2By%5E3\"$
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