absolute value

[jopup]

i dont understand how it is both sufficient

[Nycgrl]

1 statment says X^2 != 4
means X !=2 or -2

For |X+2|= 4....If X !=2 means its X= -6 ---suff

2nd statment X^2= 36 means X= 6 ---- suff

Hence C
!= not equal to

[atlantic]

mod(x+2)=4 <-> x+2=4 or -x-2=4 <-> x=2 or x=-6

(1) says that x cannot be 2 or -2, so the answer is x=-6, SUFF

(2) says that x must be 6 or -6, so answer is x=-6, SUFF

Answer D