Answer:
x-2
The choose (1)
Step-by-step explanation:
(x³-3x²+3x-2)÷(x²-x+1)
(x-2)(x²-x+1) ÷ (x²-x+1)
Delete (x²-x+1)
so = (x-2)
5555.
5555
x+2a-b=5x+5a-2*3a+2*b
x+2a-b=5x+5a-6a+2b
x+2a-b=5x-a+2b
5x-x=2a-b+a-2b
4x=3a-3b
4 x=3(a-b)
x=3/4(a-b)
8
Unit per student = 4000/500 = 8