Answer:
t=-4
Step-by-step explanation:
48/-12
x = 142/83
y = 111/83
z = 452/83
Let's see. f(4) makes the divisor x-4
4|-2 9 -6 7
| 8 -68 296
-2 17 -74 2072
The quotient is -2x²+17x-74 with a remainder of 2072
-12x + 5x
-7x
Hope this helps! ;)