Question

sole algebraically. (x-1)^2=16

Answer 1

take squareroot on both sides.

Answer 2

x-1=4?

Answer 3

\[x -1 = \sqrt{16}\]
\[x-1 = 4\]
\[x = 4+1\]
\[x = 5\]

Answer 4

- so and -3 is right too

Answer 5

because -3-1=-4 squared =16