Answer:
3 over 12
Step-by-step explanation:
(17-5)(x+6)-(3x-12)=0
12(x+6)-(3x-12)=0
12x-(3x-12)+72=0
12x-3x+12+72=0
9x+84=0
9x=-84
x=9+1/3
the 2nd answer (II)
1 and 2 are not rational if that's what your asking