Question

Simplify.sqrt(9a^2)+sqrt(49b)-a+sqrt(b)

Answer 1

`\begin{equation*} 2a+8\text{ }√(b) \end{equation*}`

Explanation:

Simplifying,

`\begin{gathered} √(9a^2)+√(49b)-a+√(b) \\ \rightarrow3a+7\text{ }√(b)-a+√(b) \\ \rightarrow2a+8\text{ }√(b) \end{gathered}`