Question

Find the positive root of V3x2 + 6 = 9.​

Answer 1

Answer:

Step-by-step explanation:

3x^2 + 6 = 81

⇒ 3x^2 = 81 – 6 = 75

x^2 = 75 ÷ 3

x^2 = 25

x = ±5

Positive root = 5