Chapter 11.2, Problem 37CCR

To determine

To find: Solve given equation.

Answer to Problem 37CCR

Solutions are $9$ and $-9$

Explanation of Solution

Given information:

  $m^2=81$

  $m^2=81$

On solving

We get

  $\begin{array}{l}{m}^2=81\\ \Rightarrow m=\sqrt{81}\\ \Rightarrow m=\pm 9\end{array}$

Therefore,

Solutions are $9$ and $-9$