1
x2 = 25
+/- 5
x2 = 49
x2 = 144
+/- 12
x2 = 169
+/- 13
x2 = 9
x2 - 2x - 24 = 0
x= -4
x= 6
x2 - 18x + 80 = 0
x = 8
x = 10
x2 - 10x + 9 = 0
x = 1
x = 9
x2 - 5x - 66 = 0
x = -6
x = 11
16x2 - 9 = 0
+/- 3/4
x2 + 11x + 30 = 0
x = 5
x = 6
3x2 - 7x +2 = 0
x = -1/3
x = 2
16x2 = 4
1/16x2 = 81
4x2 - 4x +1 = 0
x = -1/2
x2 - 30x + 150 = -75
x = -15
x2 - 16x + 64 = 81
x = -1
x = 17
(x+1)2 = 9
x = -4
x = 2