−(6− t/12 )^2 .
- (36 - 12t/12 + t^2/144)
-(36 - t + t^2/144)
-36 + t - t^2/144
ответ: -36 + t - t^2/144
−(6− t/12 )^2 .
- (36 - 12t/12 + t^2/144)
-(36 - t + t^2/144)
-36 + t - t^2/144
ответ: -36 + t - t^2/144