The given trinomial is a quadratic equation. It is expressed as
3x^2 + 13x - 10
We would apply the method of factorisation. To do this, we would find two terms such that
their sum or difference is 13x and their product is - 30x^2. The terms are 15x and - 2x. Thus, we have
3x^2 + 15x - 2x - 10
3x(x + 5) - 2(x + 5)
(3x - 2)(x + 5)
The correct option is option 3