document.write( "Question 754841: I am supposed to solve the equation by completing the square, but I am having troubles with this question. I need to have it in fraction form, not decimals. Here is the equation: s^2+5s=-1. \n" ); document.write( "
Algebra.Com's Answer #459350 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! s^2+5s=-1 \n" ); document.write( "add (b/2)^2 = (5/2)^2 = 25/4 to both sides: \n" ); document.write( "s^2+5s+25/4=-1+25/4 \n" ); document.write( "(s+5/2)^2 = -1+25/4 \n" ); document.write( "(s+5/2)^2 = -4/4 + 25/4 \n" ); document.write( "(s+5/2)^2 = 21/4 \n" ); document.write( "s+5/2 = +-sqrt(21/4) \n" ); document.write( "s+5/2 = +-(1/2)sqrt(21) \n" ); document.write( "s = -5/2 +- (1/2)sqrt(21)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |