- #1

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x2 – x – 2 = 0

(x – 2)(x + 1) = 0

x = 2 or x = –1

This is related to domain and ranges, finding the possibilities of the domain.

I would like to just see the process of how to solve this and then knowing what this actually is in mathematical terms (I'm assuming it is basic algebra, but what within algebra is this considered?)

Sorry for my blatant ignorance, I am getting back into math right now.