Question

1) Resolva as seguintes equações:
a) 3 (x+5)
b) 4 (y+x)
c) 10 (x –y)
d) 6 (8 – x)
e) (2x + y) 2
f) (4 + 4y) 2
g) (12x – 2y) 2
h) (3x – 5y) 2
i) (6x – 3y) . (6x – 3y)
j) (3m + 4n) . (3m + 4n)

Answer 1

Resposta:

A) 3×+3×5

3×+15

B) 4y+ 4×

C) 10×-10y

D) 6×8 -6×

48 -6×

E) 2××2+2y