Question

Four expressions are shown below:

21x + 6
3(7x + 2)
18x + 9
3(6x + 3)


Which two expressions are equivalent to 3(6x + 2 + x)?

A and D
C and D
A and B
B and C

Answer 1

i believe one of them is C

Answer 2

3(6x + 2 + x) combine like terms

Answer 3

C is 18x+9 what is common factor ?

Answer 4

I don't think it is C

Answer 5

common factor 6?

Answer 6

GREATEST common factor.

Answer 7

18 and 9 are divisible by 6,3, and ?

Answer 8

9

Answer 9

yes right so take out 9 (????) what would goe in the parentheses ?

Answer 10

when you take out 9 from 18x what will u have left ?

Answer 11

um 6?

Answer 12

in other words you have to divide both terms by common factor