4. Which set of expressions below are not equivalent?
A. 8(3x + 7) and 8(3x) + 8(7)
B. 3(8x + 7) and 11x + 10
C. 7(3x + 8) and 7 • 3x + 7.8
D. 3(7x + 8) and 2 1x + 24​ try and explain pls