Answer:
D. x-6
Step-by-step explanation:
4x^2 - 4x - 120
4(x-6)(x+5) are the factors.
The GCF is the greatest common factor.
Find the factors for 45, 90, and 75;
45: 1, 3, 5, 9, 15, 45
90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
75: 1, 3, 5, 15, 25, <span>75
Now find the biggest factor they have in all, which is 15.
Hope this helps. </span>
4/5 1/2 0.2 0.5 and apparently theres a character limit