Question

Simplify 7(B + 3) + 2B.

9B + 3
9B + 10
9B + 21

when i did this i got 12b >.<

Answer 1

Distribute

Answer 2

7 x B = ?
7 x 3 =?

Answer 3

distribute the 7 for (B+3)

Answer 4

would it be 9b+3?

Answer 5

close .. what's 7 x 3 ?

Answer 6

21

Answer 7

yes so it should be 9b+21

Answer 8

no C is correct answer
look first you will multiply 7 with (b+3)
you will get
7B +2b+21
now add like terms
9B +21
this is your answer

Answer 9

haha
yes @UsukiDoll

Answer 10

thank you all

Answer 11

oops my bad...
7(B+3) +2B
distribute the 7
7B+21+2B
combine like terms
9B+21