Question

In the following exercise, simplify:$9\sqrt{n}+3\sqrt{n}$

Short answer

The solution is$12\sqrt{n}.$

Step-by-step solution

Step 1. Given information

Roots:$9\sqrt{n}+3\sqrt{n}$

Step 2. Calculation

We have,

$$\begin{gathered} 9\sqrt{n}+3\sqrt{n} \\ =12\sqrt{n} \end{gathered}$$

Since the radicals are like, we add the

coefficients.