[tex]\bold{Answer}[/tex]
[tex]\boxed{\bold{6a-9ab+2}}[/tex]
[tex]\bold{Explanation}[/tex]
[tex]\bold{---------------------------}[/tex]
[tex]\bold{-3ab+6a+9-\left(6ab+7\right)}[/tex]
[tex]\bold{-\left(6ab+7\right): \ -6ab-7}[/tex]
[tex]\bold{-3ab+6a+9-6ab-7}[/tex]
[tex]\bold{6a-9ab+2}[/tex]
[tex]\boxed{\bold{Eclipsed}}[/tex]
