Question

Derivada
f (x)= (x^3-3x) (2x^2+5)

Answer 1

f'(x) = (3x² -3)(2x² + 5) + (x³ - 3x)(4x)

f'(x) 6x^4+15x² - 6x² - 15 + 4x^4 - 12x²

f'(x) = 10x^4 - 3x² -15