Question

2-Efetue as multiplicações:
a) (-3x). 8y =
b) (- 3ab). ( - 5ab) =
c) (- 9my). (- 3my) =
d) 3. (a + b) =
e) 7. (x - 2y) =
f) 2x. (x + y) =​

Answer 1

Resposta:

a) -24xy

B) 15ab

C) 27my

d) 3a+3b

e) 7x-14y

f) 2x^2+2xy