document.write( "Question 241288: sqrt(4 - x) = (4 - x)\r
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document.write( " = (4 + x) answer \r
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document.write( "Is this correct? \r
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document.write( "Thanks \n" );
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Algebra.Com's Answer #176733 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! The square root of a number (4-x) can only equal the number(x-4) IF the number =1. \n" ); document.write( "So x=3 in this case. \n" ); document.write( "Proof: \n" ); document.write( "sqrt(4 - x) = (4 - x) \n" ); document.write( "sqrt(4-3)=(4-3 \n" ); document.write( "sqrt1=1 \n" ); document.write( "------------------------------ \n" ); document.write( "(4+x) is not the answer. \n" ); document.write( " |