How can (X|X>Y) change to (X-Y|X>Y)+(Y|X>Y)?

Question

this question doesn't belong here – learner Nov 05 '19 at 06:56 — learner, Nov 05 '19 at 06:56
Oh where should I post it?? – 주혜민 Nov 05 '19 at 09:24 — 주혜민, Nov 05 '19 at 09:24
[here](https://math.stackexchange.com/questions) – learner Nov 05 '19 at 09:30 — learner, Nov 05 '19 at 09:30

score 0 · Accepted Answer · answered Feb 21 '20 at 05:29

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Stack Overflow doesn't support MathJax/LaTeX to my knowledge so here is an image:

answered Feb 21 '20 at 05:29

Math1000

1 Answers1