document.write( "Question 98761: Could someone Please show me how to solve this expression I cant seem to get this one.
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Algebra.Com's Answer #71868 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! (sqrt2y+7)+4=y \n" ); document.write( "----------- \n" ); document.write( "sqrt(2y) = y-11 \n" ); document.write( "Square both sides to get: \n" ); document.write( "2y = y^2-22y+121 \n" ); document.write( "y^2-24y+121 = 0 \n" ); document.write( "------------ \n" ); document.write( "Use the quadratic formula to get: \n" ); document.write( "y = [24 +- sqrt(24^2-4*1*121)]/2 \n" ); document.write( "y = [24 +- sqrt(92)]/2 \n" ); document.write( "y = [24 +- 2sqrt(23)]/2 \n" ); document.write( "---------- \n" ); document.write( "y = [12 + sqrt(23)] or y = [12 - sqrt(23)] \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |