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Em_Adespoton t1_itinw69 wrote

Reply to comment by Plinklypl0nk in Eli5 the equation 51 times 52 by Plinklypl0nk

Check the FOIL examples then.

Carrying is due to the number base you’re working in… in this case you’re using base 10.

Remember: at the end of the day you’re saying you’ve got 51 groups each with 52 elements and you want to add them all up. The rest is just different ways of arranging those elements into groups that are easier to work with.

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