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Subjects>Math>Math & Arithmetic

What multiplies to -21 that adds up to -1?

Updated: 9/23/2023

Wiki User

∙ 11y ago

Best Answer

-22

Jennie Konopelski ∙

Lvl 10

∙ 3y ago

This answer is:

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Wiki User

∙ 11y ago

The factor pairs of -21 are (21,-1)(7,-3)(-21,1)(-7,3)

None of them total negative one. I suppose you could use twenty ones and -21, but that's pretty ugly.

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