Answer:
90.
Explanation:
To find the value of -3xy when x = 5 and y = -6, we can substitute these values into the given equation.
-3xy = -3(5)(-6)
First, we multiply 5 and -6:
-3xy = -3(-30)
Next, we multiply -3 and -30:
-3xy = 90
Therefore, when x = 5 and y = -6, the value of -3xy is 90.