Answer:
13/18
Step-by-step explanation:
Answer:
you will have to have 2,184 games to have a winner
Step-by-step explanation:
87,240. I added them both together.
Sum= addition
Answer:
1. (2x^2+x-1)
Step-by-step explanation:
expanding (2x^2-1)^2. multiplying (x-2) (1-2x)
= 4x^2-4x+1. = x-2x^2-2+4x
= -2x^2+5x-2
(4x^2-4x+1-2x^2+5x-2)
=2x^2+x-1
