Answer:
-11xy
Step-by-step explanation:
Subtracting a negative means adding.
-14xy - (-3xy) = -14xy + 3xy = -11xy
Answer:
10 - (-2) = 12, 10 + 2 = 12
Step-by-step explanation:
10 - (-2) = 12
10 + 2 = 12
This circle is given in standard form

, where

is the ordered pair for the center of the circle.
Notice that in the equation, we have

and

. When writing the ordered pair alone, we have to remember to flip the sign.
Therefore, we have

.