Aplique la propiedad distributiva

a) 2 ⋅ (3 + 6) =

b) 5 ⋅ (6 − 4) =

c) 3 ⋅ (7 − 10) =

d) 5 ⋅ (− 3 + 11) =

e) − 7 ⋅ (− 5 − 8) =

f) − 4 ⋅ (8 + 4) =

g) − 2 ⋅ (5 − 9) =

h) − 3 ⋅ (− 4 + 7) =