For maths, i dont know how to work out the following:

1)Find the value of;

Integral(0,4): f'(x) ( (f(x))^3 -2f(x) -3) dx

given that f(0) = 2, f'(0) = -6, f(4) = 3 and f'(4) = -3

2) y= Integral(5,5x^4):sin( t^2 - 5 ) dt

whats y'?

(I'm new so sorry, i dont know how to write in equation form)