Shoppingal
New member
- Joined
- Sep 28, 2011
- Messages
- 28
x^2 -5 = 3x -10
x^2 -5 -3x +10 = 0
x^2 - 3x +5 = 0
(x^2 - 3/2x) + 5 = 0
(x^2 - 3/2x + 9/16 - 9/16) + 5 = 0
(x^2 - 3/2x + 9/16) - 9/16 +5 = 0
(x - 3/4)^2 + 4 7/16 = 0
Have I done this correctly?
x^2 -5 -3x +10 = 0
x^2 - 3x +5 = 0
(x^2 - 3/2x) + 5 = 0
(x^2 - 3/2x + 9/16 - 9/16) + 5 = 0
(x^2 - 3/2x + 9/16) - 9/16 +5 = 0
(x - 3/4)^2 + 4 7/16 = 0
Have I done this correctly?