Question

can anyone please solve this Q
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Answer 1

Answer:

x=5

Step-by-step explanation:

See the attachment

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Answer 2

Answer:

Positive root  = 5

Step-by-step explanation:

$\sqrt{3x² + 6$ = 9

3x² + 6 = 9²    ( Transpose square root to R.H.S. )

3x² +6 = 81

3x² = 81 - 6

3x² = 75

x² = 75/3

x² = 25

x = ±5

Positive root = 5

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