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Popular >

x^3+2x^2-11x-12>= 0

Solution

x^{3} + 2 x^{2} - 11 x - 12 \geq 0

Solution

- 4 \leq x \leq - 1 or x \geq 3

+1

Interval Notation

[- 4, - 1] \cup [3, \infty)

Solution steps

x^{3} + 2 x^{2} - 11 x - 12 \geq 0

Factor

x^{3} + 2 x^{2} - 11 x - 12 : (x + 1) (x - 3) (x + 4)

(x + 1) (x - 3) (x + 4) \geq 0

Identify the intervals

- 4 \leq x \leq - 1 or x \geq 3

Popular Examples

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10000 \cdot \frac{907185}{2000}

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- 5 \cdot 3

Frequently Asked Questions (FAQ)

What is x^3+2x^2-11x-12>= 0 ?
The solution to x^3+2x^2-11x-12>= 0 is -4<= x<=-1\lor x>= 3