document.write( "Question 378120: square root of (x+4)+4=square root of x+20
\n" ); document.write( "only x+4 and x+20 is square root
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Algebra.Com's Answer #268649 by mananth(16946)\"\" \"About 
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sqrt(x+4)+4=square root of x+20
\n" ); document.write( "square both terms
\n" ); document.write( "..
\n" ); document.write( "(x+4)+4(sqrt(x+4)+16=x+20
\n" ); document.write( "x+20 +4(sqrt(x+4)=x+20
\n" ); document.write( "(-x -20)
\n" ); document.write( "4(sqrt(x+4))=0
\n" ); document.write( "/4
\n" ); document.write( "sqrt(x+4)=0
\n" ); document.write( "square
\n" ); document.write( "x+4 = 0
\n" ); document.write( "-4
\n" ); document.write( "x=-4
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca
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