To solve for the unknown value in the equation \((-1.2) \times ??? = 30.84\), you can isolate the unknown by dividing both sides of the equation by \(-1.2\):
\[ ??? = \frac{30.84}{-1.2} \]
Now, let's calculate the division:
\[ ??? = \frac{30.84}{-1.2} = -25.7 \]
So, the unknown value is \(-25.7\).