Question

Solve 3x^3 - 12x = 0 by factoring

Please help me I can’t solve it. Please!!

Answer 1

The answer is x = 0, -2, 2

Answer 2

x = 0, 2, -2

Explanation:

3x^3 - 12x = 0

3x ( x^2 - 4 ) = 0

3x = 0

x = 0

x^2 - 4 = 0

( x -2 ) ( x + 2 ) = 0

x -2 = 0

x = 2 , x + 2 = 0

x = -2