Mathematics, 04.10.2019 22:30 prince8522

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

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