I'm sorry but I don't get it, from where do i bring A,B and C?
I think the only equations we can use are:
V = Vo + at
V^2 = Vo^2 + 2aX
X = Vot + .5 at^2
X = Vt - .5 at^2
X = .5 (Vo+V) t
V being final velocity, Vo initial velocity, t time, a acceleration,X displacement.