$$\displaystyle\frac{d}{d x } \left( { x }^{ 4 } +2 { x }^{ 3 } + { x }^{ 2 } \right)$$
Evaluate
$2x\left(x+1\right)\left(2x+1\right)$
Steps Using Derivative Rule for Sum
The derivative of a polynomial is the sum of the derivatives of its terms. The derivative of a constant term is $0$. The derivative of $ax^{n}$ is $nax^{n-1}$.
