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okay, so no expanding bottom.. ok tyvm

as in.. i dont have to go any further? or i have to expand and simplify?

Ok so quick question with Differentiating. Firstly.. is the image right? and secondly.. can it be taken further? like (x+2)-(x-2) = 4 then expand out bottom.. etc? i just need someone to confirm cause i think i was away or wasnt paying attention when we learnt in class >.> this is the...