My qustion is for the following

the problem reads as follows

(x-1)^2 = 7
x-1=+- sqrt 7
x= 1+- sqrt 7

the method they use was factoring in order to simplify the equation to make it easier is this correc?


What method did they use here I think its simplifying but i am not sure?


here the method that they use was first factoring then simplefiying and then they will use the quadratic formula is this correct?

You are right on all counts.

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