Mathematics, 31.01.2020 10:58 tonimgreen17p6vqjq
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?
x + 2 = ±4
x + 2 = ±2
x + 2 = ±8
x + 2 = ±16
Answers: 3
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Theo started to solve the quadratic equation (x + 2)^2 – 9 = –5. he added 9 to both sides and the re...
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