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Popular >

3x^2+6x-9<0

Solution

3 x^{2} + 6 x - 9 < 0

Solution

- 3 < x < 1

+1

Interval Notation

(- 3, 1)

Solution steps

3 x^{2} + 6 x - 9 < 0

Rewrite in standard form

x^{2} + 2 x - 3 < 0

Factor

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

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

Identify the intervals

- 3 < x < 1

Popular Examples

6 y = - \frac{12}{7}

simplify (15x^6y^{-9})/(5xy^{-11)}simplify

\frac{15 x ^{6} y ^{- 9}}{5 x y ^{- 11}}

simplify sqrt(16)simplify

16

\frac{z}{2} = 2

simplify (2x)^{-2}simplify

(2 x)^{- 2}

Frequently Asked Questions (FAQ)

What is 3x^2+6x-9<0 ?
The solution to 3x^2+6x-9<0 is -3<x<1