Question

respondem pra mim pfv!!

preciso muito!!!​

Answer 1

A) 10x + 5x = 15x

B) 4a^2b + 7a^2b - 6a^2b = 5a^2b

C) 12xy^2 + 3xy^2 - 6xy^2 = 9xy^2

D) 1/4 abc - 3/4 abc + 7/4 abc= 11/4 abc

E)5ab^2 . 4a^3b = 20a^4b^3

F) -6x^2 . 3xy .2y= -36x^3 y^2

G) 63 x^y^3 : 9xy

H) 10x^2 : 2x^3= 5x^5