Answer:
36x^2 -1
Step-by-step explanation:
6x times 6x= 36x^2
6x times 1= 6x
-1 times 6x= -6x
-1 times 1= -1
so, ...
36x^2+6x+(-6x)+(-1) = 36x^2 -1
C
If you meant “112” years the answer is $6,839.28, if you actually meant 112112 the answer is $6,846,119.28