ruizjesusmp08zcf ruizjesusmp08zcf
  • 01-12-2017
  • Mathematics
contestada

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

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chudung1976
chudung1976 chudung1976
  • 02-12-2017
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
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sarahmccauleyyy sarahmccauleyyy
  • 28-09-2020

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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