Question

How do you solve `(x-1)^2=49`?

Answer 1

I found:
`x_1=8`
`x_2=-6`

Explanation:

Take the square root of both sides and get:
`x-1=+-sqrt(49)=+-7`
rearranging to isolate `x` you get two solutions:
`x_1=1+7=8`
`x_2=1-7=-6`