Question

Factor completely 5ab + 3ay + 5b + 3y.

Answer 1

@iYuko

Answer 2

group them together this way first
5ab + 5b + 3ay + 3y

now try and factor the first 2 terms and the last 2

Answer 3

what is common to 5ab and 5b ?

Answer 4

the b

Answer 5

only the b?

Answer 6

what about the 5?

Answer 7

well yea the 5b

Answer 8

OK so take the 5b out
- divide 5ab + 5b by 5b and put the result in parentheses

Answer 9

can you do that?

Answer 10

idk im dumb bro

Answer 11

Ok
so 5ab / 5b = a
and
5b / 5b = 1

so the factors of 5ab + 5b are 5b(a + 1)

Answer 12

get it?

Answer 13

now you can do the same processing with 3ay + 3y - take 3y out
and divide as above

Answer 14

factoring means changing an expression to the form where one part multiplies the other