Respuesta :

Given -

(2s - 1)² = 225

To Find -

s =?

Step-by-Step Explanation -

(2s - 1)² = 225

Now, on removing square =

(2s - 1) = √225

2s - 1 = 15

2s = 15 + 1

2s = 16

s = 16/2

s = 8

Final Answer -

s = 8