Answer:
puzzle's and notebooks
Step-by-step explanation: I did this question on a test
More information is needed.
x=-3,x=9
Step-by-step explanation:
x^2-6x-20-7=0
x^2-6x-27=0
x^2-(9-3)x-27=0
x^2-9x+3x-27=0
x(x-9)+3(x-9)=0
(x+3)(x-9)=0
B. 11
When n = 11
The product of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11 is 39,916,800
39,916,800 is a multiple of 990