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Popular >

x^2+3x-28<0

Solution

x^{2} + 3 x - 28 < 0

Solution

- 7 < x < 4

+1

Interval Notation

(- 7, 4)

Solution steps

x^{2} + 3 x - 28 < 0

Factor

x^{2} + 3 x - 28 : (x - 4) (x + 7)

(x - 4) (x + 7) < 0

Identify the intervals

- 7 < x < 4

Popular Examples

25 x^{2} + 30 x + 8 = 0

factor 3n^2-8n-16 factor

3 n^{2} - 8 n - 16

factor-3x^3y-6x^2y^2+72xy^3 factor

- 3 x^{3} y - 6 x^{2} y^{2} + 72 x y^{3}

factor x^2+10+21 factor

x^{2} + 10 + 21

3 (y + 5) \geq 21

Frequently Asked Questions (FAQ)

What is x^2+3x-28<0 ?
The solution to x^2+3x-28<0 is -7<x<4