a) x2 - 4 = 0
b) 5 x? - 4 = 0
c) x2 - 81 = 0
d) 2 x? - 72 = 0
e) 5 x2 - 3125 = 0
f) x² - 16 = 0
g) 2 x2 - 32 = 0
h) x² -9 = 0
i) 3 x- 12 = 0
XP=
- 49 = 0​