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23-09-2022
Mathematics

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6n² - 15 = 6 (5)² - 15

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quangchu005 quangchu005

23-09-2022

Answer:

6n2-15=150-15

6n2-15=135

6n2=150

divied both side by 6

n2=25

sqrt both side

n=-5 or 5 bc sqrt so 2 answer

Step-by-step explanation:

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