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givi [52]
3 years ago
10

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

Mathematics
2 answers:
Natali5045456 [20]3 years ago
7 0
We know that: <span>3(x-1)^2-162=0
or (x-1)</span>²= 162:3
and (x-1)²= 54
we <span>take the square root of both sides 
* x-1=</span>√54= 3√6 or x=1+3√6
* x-1= -<span>√54= -3√6 or x=1-3√6
This equation has 2 solutions</span>
oksano4ka [1.4K]3 years ago
5 0

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

Step-by-step explanation:

I got the answer correct on the test :)

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