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Popular >

x^4+2x^3-5x^2-6x<0

Solution

x^{4} + 2 x^{3} - 5 x^{2} - 6 x < 0

Solution

- 3 < x < - 1 or 0 < x < 2

+1

Solution steps

x^{4} + 2 x^{3} - 5 x^{2} - 6 x < 0

Factor

x^{4} + 2 x^{3} - 5 x^{2} - 6 x : x (x + 1) (x - 2) (x + 3)

x (x + 1) (x - 2) (x + 3) < 0

Identify the intervals

- 3 < x < - 1 or 0 < x < 2

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Frequently Asked Questions (FAQ)

What is x^4+2x^3-5x^2-6x<0 ?
The solution to x^4+2x^3-5x^2-6x<0 is -3<x<-1\lor 0<x<2