Question

Please help. Will fan and medal.

question attached in comments.

Answer 1

@sparrow2

Answer 2

b=1 again ;) this is coincidence i guess

Answer 3

if you want i can teach how to understand that and you will do it yourself :)

Answer 4

it's very simple: just you can't have solution which makes denominator 0,so look for numbers which make denominator 0 and they are notpermisable

Answer 5

But why is it one? I only have a few left (>.<)

Answer 6

because -5*1+5=0