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Popular >

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

Solution

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

Solution

- 5 \leq x \leq - 1 or x \geq 1

+1

Interval Notation

[- 5, - 1] \cup [1, \infty)

Solution steps

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

Factor

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

(x + 5) (x + 1) (x - 1) \geq 0

Identify the intervals

- 5 \leq x \leq - 1 or x \geq 1

Popular Examples

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b(5)=-1(2)^{5-1}

b (5) = - 1 (2)^{5 - 1}

(18-40i)-(-9+2i)=(18-40i)-(-9+2i)

(18 - 40 i) - (- 9 + 2 i) = (18 - 40 i) - (- 9 + 2 i)

Frequently Asked Questions (FAQ)

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