Denise G. answered 04/16/20
Tutor
5.0
(532)
Algebra, College Algebra, Prealgebra, Precalculus, GED, ASVAB Tutor
a2=144 Take the square root of both sides
√a2=√144
a=±12
Don't forget the ± when you are taking the square root of both sides. There are 2 solutions.
(12)(12)=144
(-12)(-12)=144