f(x)=x^3+bx^2+d given a critical point of (2,-4), solve for b and d
The Attempt at a Solution
I wasn't really sure where to go with this.
So I know that a critical point happens when f'(x)=0, and this point can be either a max, min, or extrema.
I tried making the derivative = to 0 and then subbed in the x value from the critical point of x=2. But i believe that this is definitely not right.
Any help is much appreciated, thank you.