document.write( "Question 706642: 5X^(2/3)-4X^(1/3)-1=0 BY ANOTHER METHOD OTHER THAN SUBSTITUTION THX \n" ); document.write( "
Algebra.Com's Answer #435306 by josgarithmetic(39623)\"\" \"About 
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Go ahead! Your variable is then x^(1/3). You'll find through solution to quadratic formula that x^(1/3) is either 1 or -(1/5). So what then is x?\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5E%281%2F3%29%29%5E3=x\"\r
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\n" ); document.write( "\n" ); document.write( "Do that to 1, and you find x=1.
\n" ); document.write( "Do that to -(1/5), and find \"x=%28-%281%2F5%29%29%5E3\"=?
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