Suppose the general solution to a recurrence is an=c1⋅3n+c2⋅5na_n = c_1 \cdot 3^n + c_2 \cdot 5^nan=c1⋅3n+c2⋅5n. If a0=10a_0 = 10a0=10, what is c1+c2c_1 + c_2c1+c2?
555
101010
888
Cannot be determined