Question

Here is one that is a little different i am almost getting this and appreciate any help
multiply 9xy(x+y)

Answer 1

9xy times x = ???

Answer 2

"distribute" by multiplying 9xy times each term inside the parens

3*( 1+2)= 3*1 + 3*2 = 3+6=9
or
3* 3= 9

same idea, but with variables