Submitted by TheManNamedPeterPan t3_z8c5vf in explainlikeimfive
TwiNighty t1_iyc2of0 wrote
Reply to comment by ohyonghao in ELI5 why we first multiply, then add by TheManNamedPeterPan
Because in a group, we are only dealing with a single associative binary operation, in which case parenthesis are indeed unnecessary.
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