Question

Solve by taking the square root of both sides 3(x-1)^2-162=0

Answer 1

We know that: 3(x-1)^2-162=0
or (x-1)²= 162:3
and (x-1)²= 54
we take the square root of both sides
* x-1=√54= 3√6 or x=1+3√6
* x-1= -√54= -3√6 or x=1-3√6
This equation has 2 solutions

Answer 2

Answer: B x=1-3 root of of 6 or 1+3 root of 6

Explanation:

I got the answer correct on the test :)