Question

solve for n.

$n^{2}=121$

$n = square$ or $square$

Explanation:

Step1: Take square - root of both sides

$n=\pm\sqrt{121}$

Step2: Calculate the square - root value

Since $\sqrt{121} = 11$, then $n = 11$ or $n=-11$

Answer:

$n = 11$ or $n=-11$