Tricky algebra/ logic puzzle question

[Tompson LEe]

What does (x-a)(x-b)(x-c)...(x-z) equal to?

 

Solution : 

 

 

[YaDinghus]

If this goes where I think this is going - without watching the video - there should be the factor (x-x) in there, which makes the answer quite trivial...

Edited July 10, 2018 by YaDinghus

[Phi for All]

!

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