3 x + x
x^3 + x
Differentiate x3+xx^{3} + xx3+x term by term:
Apply the power rule: x3x^{3}x3 goes to 3x23 x^{2}3x2
Apply the power rule: xxx goes to 111
The result is: 3x2+13 x^{2} + 13x2+1
The answer is:
2 1 + 3*x
6*x
6