Posted by Maria on Friday, July 24, 2009 at 11:53pm.
Solve by factoring
a^2 121 = 0

algebra  DrBob222, Saturday, July 25, 2009 at 12:44am
(a+11)(a11) = 0
a = 11
a = +11
Posted by Maria on Friday, July 24, 2009 at 11:53pm.
Solve by factoring
a^2 121 = 0
(a+11)(a11) = 0
a = 11
a = +11