document.write( "Question 1119798: If x is a real number, find x^2+2x(5-x)+(5-x)^2.\r
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Algebra.Com's Answer #735414 by greenestamps(13200) $\"\"$ $\"About$

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\n" ); document.write( " $\"x%5E2%2B2x%285-x%29%2B%285-x%29%5E2\"$

\n" ); document.write( "The given expression is of the form

\n" ); document.write( " $\"A%5E2%2B2AB%2BB%5E2\"$

\n" ); document.write( "which is equivalent to

\n" ); document.write( " $\"%28A%2BB%29%5E2\"$

\n" ); document.write( "So the given expression is equivalent to

\n" ); document.write( " $\"%28x%2B%285-x%29%29%5E2+=+5%5E2+=+25\"$ \n" ); document.write( "

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