@Kirsten3531 so given these rules, pretend you have no idea what -1 * -1 should beyou know -1 * 0 = 0, and you can substitute to get -1 * (-1 + 1) = 0distribute, and you get -1 * -1 + -1 * 1 = 0you…

Posters: AdeleDeweyLopez. AdeleDeweyLopez

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Topics: Math

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