3 6*x
d / 3\ --\6*x / dx
The derivative of a constant times a function is the constant times the derivative of the function.
Apply the power rule: x3x^{3}x3 goes to 3x23 x^{2}3x2
So, the result is: 18x218 x^{2}18x2
The answer is:
2 18*x
36*x
36