document.write( "Question 764668: X2+5X+6=0 by complating square \n" ); document.write( "
Algebra.Com's Answer #465638 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! X^2+5X+6=0 \n" ); document.write( "X^2+5X = -6 \n" ); document.write( "X^2+5X+25/4 = -6+25/4 (complete square by adding 25/4 to both sides) \n" ); document.write( "(X+5/2)^2 = -24/4 + 25/4 \n" ); document.write( "(X+5/2)^2 = (-24+25)/4 \n" ); document.write( "(X+5/2)^2 = 1/4 \n" ); document.write( "X+5/2 = 1/2 \n" ); document.write( "X = 1/2 - 5/2 \n" ); document.write( "X = -4/2 \n" ); document.write( "X = -2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |