My digits are the same. Their sum is 3 less than their products. Who am I?

Answer 1

33.
Same digits.
Sum: 3+3=6.
Products:3*3=9.
6=9-3. {Sum(6) is 3 less than products (9)}.

Answer 2

2x = x^2 - 3
x^2 - 2x - 3 = 0
(x-3)(x+2) = 0
x = 3 or -2, let's reject the negative answer

you are 33