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Popular >

x^2+2x<8

Solution

x^{2} + 2 x < 8

Solution

- 4 < x < 2

+1

Interval Notation

(- 4, 2)

Solution steps

x^{2} + 2 x < 8

Rewrite in standard form

x^{2} + 2 x - 8 < 0

Factor

x^{2} + 2 x - 8 : (x - 2) (x + 4)

(x - 2) (x + 4) < 0

Identify the intervals

- 4 < x < 2

Popular Examples

factor x^2y-3x^2 factor

x^{2} y - 3 x^{2}

∣ 5 x - 2 ∣ > 13

factor 27x^3-1000y^3 factor

27 x^{3} - 1000 y^{3}

simplify 3(3/5)^{-2}simplify

3 (\frac{3}{5})^{- 2}

- 4 < \frac{6 x - 9}{9} < 4

Frequently Asked Questions (FAQ)

What is x^2+2x<8 ?
The solution to x^2+2x<8 is -4<x<2