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3 years ago

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

Mathematics

1 answer:

Brilliant_brown [7]3 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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