Four expressions are shown below.
I 2(2x2 – 2x – 60)
II 4(x2 - x - 30)
III 4(x + 6)(x-5)
IV 4x(x - 1) - 120
The expression 4x² - 4x – 120 is equivalent to
1) I and II, only
2) II and IV, only
3) I, II, and IV
4) II, III, and IV