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Answer:
Step-by-step explanation:
x + x + x = xxx
=> 3x = x³
=> x³ - 3x = 0
=> x(x² - 3) = 0
=> x(x² - (√3)²) = 0
using a² - b² = (a + b)(a - b)
= x(x + √3)(x - √3) = 0
=> x = 0 , -√3 , √3
x = 0 , ±√3