Answer:
[tex]x^{2} +(-14)[/tex]
Step-by-step explanation:
Let's simplify step-by-step.
[tex]x^{2} -2-12[/tex]
Combine Like Terms:
[tex]=x^{2} +(-2)+(-12)\\= (x^{2} )+ (-2+ -12)\\=x^{2} + (-14)[/tex]
[tex]x^{2} - 2-12 = x^{2} +(-14)[/tex]