document.write( "Question 903710: Solve by completing the square. X^2+x-1=0 \n" ); document.write( "
Algebra.Com's Answer #548238 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! (x+1/2)^2 -1/4 - 1 = 0 \n" ); document.write( "(x+1/2)^2 = 5/4 \n" ); document.write( " x = -1/2 ± √5 / 2 \n" ); document.write( " |