Hello everyone,
I'm trying to solve the following nonlinear differential equation with the given boundary conditions.



I'm getting the error:
Error, (in dsolve/numeric/process_input) unable to determine if -(3*T(x)^2+5*T(x)+6)*(D(T))(0) = 6000000-3000*T(0) is an ODE or initial/boundary condition due to the presence of both {T(x)} and {(D(T))(0) = eval(diff(T(t1), t1), {t1 = 0})}
I'm not only really sure how to proceed and would greatly appreciate any help offered.