me ajudem
Resolva as equações
a)x²=49
b)x²=81
c)x²=100
d)x²-4=0
e)x²-9=0
f)x²-30=34
g)x²=2
h)x²=5
i)x²=10
j)x²=12
l)x²=50
m)x²=60
n)x²-1=20
o)x²+1=0