Question

1) Simplifique :

a) 2x + 3x – 4x + 5x =
b) 19x + 3y + 2x + 2y =
c) 24b + 9f – 4b 3f =
d) 17,2y + 3,3y + 5x =
e) √4 y + 3y =
f) 2y² + 3y² + 2y² =

Answer 1

Junte os termos semelhantes:

a) 2x + 3x – 4x + 5x =

5x - 4x + 5x

x + 5x

6x

b) 19x + 3y + 2x + 2y =

21x + 5y

c) 24b + 9f – 4b 3f =

20b + 6f

d) 17,2y + 3,3y + 5x =

20,5y + 5x

e) √4 y + 3y =

2y + 3y

5y

f) 2y² + 3y² + 2y² =

7y²