[tex]6x^{2}-13[/tex] while [tex]x=2[/tex]. Inorder to solve this, we must substitute x with its value.
[tex]6 \times 2^{2}-13[/tex]
[tex]=6 \times 4-13[/tex]
[tex]=24-13[/tex]
[tex]=11[/tex]
Therefore, the answer is 11.