Question

Let b be a positive integer and a = b2 –

b. if b ≥ 4, then a2 – 2a is divisible by

Answer 1

sorry but nothing is clear here ......!!!!!!!!!!!!!!!!

Answer 2

Step-by-step explanation:

a=b²-b

then a²-2a is divisible by

b≥5

a≥360

so divisible by 24 15 20 q8