please help)Simplify: (r β 7)(r + 7)
r - 2
r2 + 12r - 49
r2 β 49...
Mathematics, 19.02.2020 20:43 jayloy4724
please help)Simplify: (r β 7)(r + 7)
r - 2
r2 + 12r - 49
r2 β 49
r2 - 2r β 49
Answers: 2
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