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when toggle format what by license comment
Jul 7 at 4:45 comment added Bowei Tang @HectorLai You are welcome :)
Jul 7 at 4:42 comment added Hector Lai I got it, I got it. Just managed to get $(2x-3)(x+4)$ with your help, thanks @boweitang. :)
Jul 6 at 14:05 history answered Bowei Tang CC BY-SA 4.0