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tiny-mole [99]
3 years ago
12

heo 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
Mathematics
1 answer:
pshichka [43]3 years ago
6 0

Answer:

x + 2 = ±2

Step-by-step explanation:

Square root both sides

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Step-by-step explanation:

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