document.write( "Question 298175: x+1+sqrt(x+4)=9
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document.write( "once I isolate the radical I end up with x+4=(8-X)(8-x) WHat do I do next.
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Algebra.Com's Answer #214566 by nerdybill(7384) You can put this solution on YOUR website! x+4=(8-X)(8-x) \n" ); document.write( "FOIL right side: \n" ); document.write( "x+4= 64-8x-8x+x^2 \n" ); document.write( "x+4= 64-16x+x^2 \n" ); document.write( "x+4= x^2-16x+64 \n" ); document.write( "4= x^2-17x+64 \n" ); document.write( "0 = x^2-17x+60 \n" ); document.write( "0 = (x+8)(x-15) \n" ); document.write( ". \n" ); document.write( "x = {-8, 15} \n" ); document.write( " |