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Mathematics, 23.06.2019 12:40 dude5522

Theo started to solve the quadratic equation (x + 2)2 – 9 = –5. he added 9 to both sides and the resulting equation was (x + 2)2 = 4. next, he took the square root of each side. which was the resulting equation of that step?

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Theo started to solve the quadratic equation (x + 2)2 – 9 = –5. he added 9 to both sides and the res...

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