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Title: Expand (x + Δx)² Post by: bio_man on Jun 30, 2018 Answer:
(x + Δx)² = (x + Δx)(x + Δx) We 'expand' (aka FOIL) by multiplying each term: x*x = x² x*Δx = xΔx Δx*x= xΔx Δx*Δx = Δx² xΔx + xΔx = 2 xΔx Title: Re: Expand (x + Δx)² Post by: gaminglifex on Jul 8, 2018 Thanks for answering!
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