Mathematics, 19.02.2020 20:43, jayloy4724

please help)Simplify: (r – 7)(r + 7)

r - 2

r2 + 12r - 49

r2 – 49

r2 - 2r – 49

Answers: 2

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please help)Simplify: (r – 7)(r + 7)

r - 2

r2 + 12r - 49

r2 – 49...