6(4r+9)+9r
Distribute 6 through the parenthesis
24r+54+9r
Collect the like terms
33r+54, therefore that is your answer
Or if you want to factor out the expression do
3(2(4r+9)+3r)
Distribute 2 through the parenthesis
3(8r+18+3r)
Collect the like terms
3(11r+18), therefore that is your answer
Whichever works with you from the answer I gave you. Also brainiest please :)