Do you mean
14 - 2 a^2 ?????
a^2 is a squared or a times a
if so then
14 - (-3)(-3) = 14 - 9
which is around 5
what i the value of 14-a2 given a=-3
3 answers
14 - a^2 = 14 - (-3)^2 = 14-9 = 5.
14- a2 a=3