What is the result of question?

Answer:
[tex]\large \boxed{-180}[/tex]
Step-by-step explanation:
[tex]36x-8y^2[/tex]
Substitute x=3 and y=-6 in the expression.
[tex]36(3)-8(-6)^2[/tex]
Evaluate.
[tex]36(3)-8(36)[/tex]
[tex]108-288[/tex]
[tex]=-180[/tex]