find all solutions to each of the following equations:
(a) $3x = 2$ mod 8
(b) $4x = 4$ mod 8
(c) $4x^2 = 4$ mod 8
(d) $4x + 4x^2 = 0$ mod 8
Those are my answers:
a) $x=6$
b) $x=1 , x=3 , x=5, x=7$
c) $x=1 , x=3 , x=5, x=7$
d) $x=0, x=1 , x=2, x=3 , x=4, x=5, x=6, x=7$
P.S: All my answers are in mod 8
Are my answers all correct?