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Popular >

x^2+12x+27<0

Solution

x^{2} + 12 x + 27 < 0

Solution

- 9 < x < - 3

+1

Interval Notation

(- 9, - 3)

Solution steps

x^{2} + 12 x + 27 < 0

Factor

x^{2} + 12 x + 27 : (x + 3) (x + 9)

(x + 3) (x + 9) < 0

Identify the intervals

- 9 < x < - 3

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21 x^{2} + 23 x - 20

Frequently Asked Questions (FAQ)

What is x^2+12x+27<0 ?
The solution to x^2+12x+27<0 is -9<x<-3