Erzhaviz
Answered

How to solve this (2s-1)^2=225
this is my homework,,please answer this,,,,,,thank you;)

Sagot :

Delgadok56viz
(2s-1)^2=225
2s-1=+or-√225
2s-1=+or-15
2s=1+or-15
first solution is
2s=1+15
2s=16
s=8
second solution is
2s=1-15
2s=14
s=7