Question

Solve the equation.
(2x+1)^2=1

Answer 1

A^2 = b
where A is an expression is x and b = a non-negative number, is solved as
A = sqrt(b) or A = -sqrt(b)

(2x + 1)^2 = 1 becomes
2x + 1 = 1 or 2x + 1 = -1

Answer 2

wouldn't that we correct?

Answer 3

correct