Hi Solving for t (2t-3)^2 + 13t = 14 4t^2 - 12t + 9 + 13t = 14 4t^2 + t -5 = 0 factoring (4t + 5)(t-1)= 0 Note: SUM of the inner product(5t) and the outer product(-4t) = t (4t + 5)=0 t = -5/4 (t-1)= 0 t = 1