i do not know this answer

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]
Let's evaluate ~
[tex]\qquad \tt \dashrightarrow \:14 {g}^{2} [/tex]
plug the value of given as -1 :
[tex]\qquad \tt \dashrightarrow \:14( - 1) { }^{2} [/tex]
[tex]\qquad \tt \dashrightarrow \:14(1)[/tex]
[tex]\qquad \tt \dashrightarrow \:14[/tex]
Do, the equivalent term is 14