document.write( "Question 945026: solve radical equation and check all proposed solutions \r
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document.write( "square root ofx+10 = x+4 \n" );
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Algebra.Com's Answer #576247 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! square root ofx+10 = x+4 \n" ); document.write( "sqrt(x+10) = x+4 \n" ); document.write( "------ \n" ); document.write( "Square both side sides to get:: \n" ); document.write( "x+10 = x^2 + 8x + 16 \n" ); document.write( "-------- \n" ); document.write( "x^2 + 7x + 6 = 0 \n" ); document.write( "------- \n" ); document.write( "Factor:: \n" ); document.write( "(x+6)(x+1) = 0 \n" ); document.write( "----- \n" ); document.write( "x = -1 or x = -6 \n" ); document.write( "----- \n" ); document.write( "Checking:: \n" ); document.write( "sqrt(x+10) = x+4 \n" ); document.write( "Check x = -1:: \n" ); document.write( "sqrt(9) = -1+4 \n" ); document.write( "3 = 3 \n" ); document.write( "================= \n" ); document.write( "Check x = -6 \n" ); document.write( "sqrt(4) = -2 \n" ); document.write( "False \n" ); document.write( "---------------- \n" ); document.write( "Ans:: x = -1 \n" ); document.write( "-------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |