Answer:
4
Step-by-step explanation:
3y=12 divide both sides by 3
y=4
Answer:
x=-6
Step-by-step explanation:
(8x-15)=(3x-45)
Answer:
(x + 4) (x - 5) so B:
Step-by-step explanation:
Factor the following:
x^2 - x - 20
The factors of -20 that sum to -1 are 4 and -5. So, x^2 - x - 20 = (x + 4) (x - 5):
Answer: (x + 4) (x - 5)