Answer:
option c
Step-by-step explanation:
explaination is in pic below
3(x^2 -x) -x
6x^2 -3x-x
6x^2 - 4x
we can simplify it more by take 2x as comman factor
so , 2x ( 3x -2 )
X = number of cds on the rack
x + 7 = 30
x = 30 - 7
x = 23 <== so there are currently 23 cds on the rack
True is going to be the correct answer.
Answer:
The answer for this question is C