Please answer this correctly without making mistakes I want ace expert and genius people to answer this correctly without making mistakes

Answer:
[tex]fg^{2} - g =[/tex] -42
Step-by-step explanation:
[tex]fg^{2} - g[/tex]
f = -1
g = 6
substitute the numbers for the letters:
[tex](-1) (6^{2}) - 6[/tex]
[tex](6^{2}) = 36[/tex]
new equation:
-1 x 36 - 6
-36 - 6
= -42