Answer:
C
Explanation:
The equation is

LCM of the denominator on the left side gives us:

Cross multiplying and arranging gives us:

This is a binomial, to factor this, we have to think of 2 numbers that multiplied gives us
[the constant term] and added gives us
[the coefficient of x].
The two numbers are:
and
.
Now we can write:

Hence, either
OR
. This gives us two solutions,
and
. Answer choice C is correct.