What is the value of this expression when x=2 and y=-4? -3(x-y)2

Answer:
-108
Step-by-step explanation:
[tex] - 3 \times { (2 - ( - 4)) }^{2} = \\ - 3 \times ( {2 + 4})^{2} = \\ - 3 \times 36 = - 108[/tex]