Question

15(x + 2y)^2 + 3(x + 2y)​

Answer 1

QUESTION=

15(x + 2y)^2 + 3(x + 2y)

ANSWER

let (X+2y)= m

so,

$15 {m}^{2} + 3m$

3m( 5m+1)

HOPE IT HELPS

Answer 2

3m(5m+1) is the answer

hope it helps you