document.write( "Question 141522: this problem is not from my book. We are working in rational expressions and equations. \r
\n" ); document.write( "\n" ); document.write( "20^1/2 + 5^1/2 = sqt rt 20 + sqt rt 5 Any help would be appreciated. Thank you.
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Algebra.Com's Answer #103120 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
20^1/2 + 5^1/2 = sqt rt 20 + sqt rt 5
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\n" ); document.write( "you should recall that a number raised to exponent of 1/2 is the same as the square-root of that number, so basically you have:
\n" ); document.write( "\"sqrt%2820%29+%2B+sqrt%285%29+=+sqrt%2820%29+%2B+sqrt%285%29\"
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\n" ); document.write( "Factor 20, to reveal a perfect square (4)
\n" ); document.write( "\"sqrt%284%2A5%29+%2B+sqrt%285%29+=+sqrt%284%2A5%29+%2B+sqrt%285%29\"
\n" ); document.write( "Extract the square root of that perfect square
\n" ); document.write( "\"2%2Asqrt%285%29+%2B+sqrt%285%29+=+2%2Asqrt%285%29+%2B+sqrt%285%29\"
\n" ); document.write( "Like terms:
\n" ); document.write( "\"3%2Asqrt%285%29+=+3%2Asqrt%285%29\"
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