Answered: If we only have a+bi shouldn't it…

If we only have a+bi shouldn't it suffice to say, a,b,c are in Q and have a+(bi+c)= (a+bi)+c ? Why do you have a,b,c,d are in Q with (a+bi)+(c+di)?

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter2: Working With Real Numbers

Section2.4: Subtracting Real Numbers

Problem 62WE

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If we only have a+bi shouldn't it suffice to say, a,b,c are in Q and have a+(bi+c)= (a+bi)+c ? Why do you have a,b,c,d are in Q with (a+bi)+(c+di)?

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