document.write( "Question 1182754: If x^2=x+3, then x^3 equals \n" ); document.write( "
Algebra.Com's Answer #812834 by greenestamps(13200)\"\" \"About 
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\n" ); document.write( "\"x%5E2+=+x%2B3\"
\n" ); document.write( "\"x%5E2-x-3+=+0\"
\n" ); document.write( "\"x+=+%281%2Bsqrt%2813%29%29%2F2\" or \"x+=+%281-sqrt%2813%29%29%2F2\"

\n" ); document.write( "(1)
\n" ); document.write( "\"x+=+%281%2Bsqrt%2813%29%29%2F2\"
\n" ); document.write( "\"x%5E2+=+%2814%2B2sqrt%2813%29%29%2F4+=+%287%2Bsqrt%2813%29%29%2F2\"
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\n" ); document.write( "(2)
\n" ); document.write( "\"x+=+%281-sqrt%2813%29%29%2F2\"
\n" ); document.write( "\"x%5E2+=+%2814-2sqrt%2813%29%29%2F4+=+%287-sqrt%2813%29%29%2F2\"
\n" ); document.write( "

\n" ); document.write( "ANSWER: x^3 has either of two values: \"5%2B2sqrt%2813%29\" or \"5-2sqrt%2813%29\"

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