document.write( "Question 1015213: (y+4) ^2/3=-2 \r
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Algebra.Com's Answer #631570 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Raise both sides to the third power\r
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\n" ); document.write( "\n" ); document.write( "Expand the squared binomial\r
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\n" ); document.write( "\n" ); document.write( "Put the quadratic in standard form\r
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\n" ); document.write( "\n" ); document.write( "but the discriminant, is negative\r
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\n" ); document.write( "\n" ); document.write( "So the set of real number solutions to\r
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\n" ); document.write( "\n" ); document.write( "is the empty set.\r
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\n" ); document.write( "\n" ); document.write( "This result squares with an intuitive analysis of the original problem. Whenever a fractional exponent has an even numerator, the result of raising to that power must be positive. Hence, the LHS of the original equation can never be negative, much less -2.\r
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\n" ); document.write( "My calculator said it, I believe it, that settles it\r
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