a
1
4
-4
-3
-1
-6
b
-2
-1
3
2
-4
-2
C
3
-2
-5
7
5
3
abc
(1)(-2)(3)= -6
a(b + c) ac (-1)
1(-2+3)=1
(1)(3)(-1) = -3 ayudenme