Definitely not D, because one of the x's needs to be negative, and the other should be positive so the x will end up negative when it is multiplied.
I want to say the answer is C. (-x-2i) (x-2i)
Hope this helps :)
2.5 x (9+12) = 52.5
Hope that helps!
The ordered pair that represents a maximum is (5,189)
Answer:
18
Step-by-step explanation:
16 × 9 = 8 × x
x = 18