Question

answer please.............​

Answer 1

5 is the answer for your question.

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Answer 2

Answer:

5

Step-by-step explanation:

$\sqrt{3x^2 +6} = 9$

►3x² + 6 = 81   (square both side)

►3x² = 75

►x² = 25

► x = ±√25

►x = ±5

so, positive root = 5