What do i have to do?

Answer:
It is 136
Step-by-step explanation:
[tex]h + {k}^{2} - j[/tex]
substitute respectively as in question:
[tex] = 3 + {(11)}^{2} - ( - 12)[/tex]
open brackets:
[tex] = 3 + 121 + 12 \\ = 136[/tex]
Answer:
136
Step-by-step explanation:
Given
h + k² - j ( substitute the given values into the expression ) , that is
3 + 11² - (- 12)
= 3 + 121 + 12
= 136