Answer:
[tex]\displaystyle -27[/tex]
Step-by-step explanation:
[tex]\displaystyle -[-3]^2 - [4(-3) - 9(-2)] + 6[-2] \hookrightarrow -9 - [-12 + 18] - 12 \hookrightarrow -9 - 6 - 12 \\ \\ \boxed{-27}[/tex]
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