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03-02-2020
Mathematics

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what is 3h^2= h^2 + 18

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marcthemathtutor marcthemathtutor

03-02-2020

Answer:

h = ±9

Step-by-step explanation:

3h²= h² + 18 (subtract h²) from both sides

3h² - h²= 18

2h²= 18 (divide both sides by 2)

h² = 18/2

h² = 9

h = ±√18

h = ±9

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