Question 79198
x^2-24=0

1- Add 24 to both sides of the equation
   x^2 - 24+24=0+24
   x^2 =24
2- Take the square root of both sides of what's left
   sqrt (x^2)= sqrt (24)
   x= 4.898979

3- Your solution is 4.898979 OR 2 times(sqrt 6)