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kolbaska11 [484]
2 years ago
15

Solve quadratic equation by square roots method 2x^2-18=0

Mathematics
1 answer:
Brilliant_brown [7]2 years ago
6 0

Answer:

x = 3 and x = -3 (aka. x = ±3)

Step-by-step explanation:

2x² - 18 = 0

x² - 9 = 0

x² = 9

x = ±3

Therefore, x = 3 and x = -3

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