document.write( "Question 1039928: solve the radical equation and check all proposed solutions\r
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Algebra.Com's Answer #654681 by ikleyn(52817) $\"\"$ $\"About$

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\n" ); document.write( "solve the radical equation and check all proposed solutions\r
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document.write( "Square both sides\r\n" );
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document.write( " = .\r\n" );
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document.write( "Form a quadratic equation on the right\r\n" );
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document.write( "0 = x^2 + 16x - 28x + 64 - 28,\r\n" );
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document.write( "0 = x^2 - 12x + 36,\r\n" );
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document.write( " = .\r\n" );
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document.write( "The solution is x = 6 of multiplicity 2.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Figure. Plots y = $\"sqrt%2828x%2B28%29\"$ , y = x + 8.\r
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