document.write( "Question 1024543: x-4√x-5=0\r
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Algebra.Com's Answer #639928 by Alan3354(69443)\"\" \"About 
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x-4√x-5=0\r
\n" ); document.write( "\n" ); document.write( "Find x.
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\n" ); document.write( "Sub y for sqrt(x)
\n" ); document.write( "--? y^2 - 4y - 5 = 0
\n" ); document.write( "(y-5)*(y+1) = 0
\n" ); document.write( "y = -1, 5
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\n" ); document.write( "sqrt(x) = -1
\n" ); document.write( "x = 1
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\n" ); document.write( "sqrt(x) = 5
\n" ); document.write( "x = 25
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