Steps to finding 6 (4r + 4) - 9r
STEP 1: Factor out 3 from the expression
3 (2 (4r + 4) -3r)
STEP 2: Distribute 2 through the parenthesis
3 (8r + 8 - 3r)
STEP 3: Collect the like terms
3 (5r + 8) or 15r + 24
SO...
Victoria is incorrect cause 15t + 4 is not equal to 15r + 24