I do one or three; it depends. Mostly because I often do one line (horizontal), then finish the rest of the equation before doing the final down strokes; it's particularly useful when I haven't worked out how to factor something yet.
Bro yeah exactly! I do the same I just right a minus before the teacher dictates the question whne he does, if it's a plus I add the vertical stroke and if it's a minus I leave it as it is
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u/DTux5249 Dec 23 '22 edited Dec 24 '22
I do one or three; it depends. Mostly because I often do one line (horizontal), then finish the rest of the equation before doing the final down strokes; it's particularly useful when I haven't worked out how to factor something yet.