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Popular >

x^3-4x>= 0

Solution

x^{3} - 4 x \geq 0

Solution

- 2 \leq x \leq 0 or x \geq 2

+1

Interval Notation

[- 2, 0] \cup [2, \infty)

Solution steps

x^{3} - 4 x \geq 0

Factor

x^{3} - 4 x : x (x + 2) (x - 2)

x (x + 2) (x - 2) \geq 0

Identify the intervals

- 2 \leq x \leq 0 or x \geq 2

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Frequently Asked Questions (FAQ)

What is x^3-4x>= 0 ?
The solution to x^3-4x>= 0 is -2<= x<= 0\lor x>= 2