I need to solve it in excel VBA I have several doubts kindly solve it in excel VBA

The manager of a firm decides to compute revenue function as follows: T0?) = 3q3 2q2 + 5g 35500 where q represents the amount of units to be sold. What is the minimum amount of units to be sold in order to ensure non-negative revenues? Provide your solution such that the resulting revenues has a maximum error of 1 [euro]. Assume the production capacity of the firm is 300 units. 26-27 41 Hint: The solution is unique. and the function is convex. / Hint2: Bonus (+3 points) Find a solution for real values (with decimals) 25/36