Question

Factor the expression completely:
20b-16
Help plz i have no idea what to do

Answer 1

20b-16=4.5.b-4.4=4(5b-4)

Answer 2

so what's the answer

Answer 3

4(5b-4)

Answer 4

okay and how did u get that?

Answer 5

4 is a common factor in 20b and 16 so i took out 4 common

Answer 6

okay thankyou and do u think u can help me with one more

Answer 7

ok only one more

Answer 8

ok

Answer 9

simplify the expression:
4(3x+2)-2

Answer 10

4(3x+2)-2=12x+8-2=12x+6

Answer 11

but u didn't use the order of operations

Answer 12

i did 4(3x+2)-2=4.3.x+4.2-2=12x+8-2=12x+6

Answer 13

so what is the answer?