document.write( "Question 38438: Find x if Xsquared= 2x+5 \n" ); document.write( "
Algebra.Com's Answer #23941 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! From x^2 = 2x + 5, we get \n" ); document.write( "x^2 - 2x - 5 = 0 \n" ); document.write( "This cannot be factored so we need to use the quadratic formula... \n" ); document.write( "x = (2 ± sqrt(4 + 20)) / 2 \n" ); document.write( "x = (2 ± sqrt(24)) / 2 \n" ); document.write( "x = (2 ± 2sqrt(6)) / 2 \n" ); document.write( "x = 1 ± sqrt(6) \n" ); document.write( " |