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Popular >

x^3+5x^2+4x>= 0

Solution

x^{3} + 5 x^{2} + 4 x \geq 0

Solution

- 4 \leq x \leq - 1 or x \geq 0

+1

Interval Notation

[- 4, - 1] \cup [0, \infty)

Solution steps

x^{3} + 5 x^{2} + 4 x \geq 0

Factor

x^{3} + 5 x^{2} + 4 x : x (x + 1) (x + 4)

x (x + 1) (x + 4) \geq 0

Identify the intervals

- 4 \leq x \leq - 1 or x \geq 0

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Frequently Asked Questions (FAQ)

What is x^3+5x^2+4x>= 0 ?
The solution to x^3+5x^2+4x>= 0 is -4<= x<=-1\lor x>= 0