C. 3/4 is the right answer
Answer:
x^2-4/7x-12/49=0
x= 6/7 and -2/7
Step-by-step explanation:
The highest power of 12 that divides 273 (with remainder) is

, and dividing gives

Divide the remainder term by the next highest power of 12,

.

So

, since
Answer:
B
Step-by-step explanation:
3 x -3 is -9
-2 x 4 is -8
-9 x -8 is 72