Question

Solve. (x + 2)2 = 1

x = –3 and x = –1

x = 3 and x = 1

x = –1 and x = 4

x = –4 and x = –3

Answer 1

take the square root of both sides and then subtract 2 to both sides

Answer 2

(x+2)^=1
x+2=\[\pm1\]
Either x+2=-1,x=-1-2=-3
Or x+2=+1,x=1-2=-1