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Popular >

2x^2+x<15

Solution

2 x^{2} + x < 15

Solution

- 3 < x < \frac{5}{2}

+2

Interval Notation

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

Decimal Notation

- 3 < x < 2.5

Solution steps

2 x^{2} + x < 15

Rewrite in standard form

2 x^{2} + x - 15 < 0

Factor

2 x^{2} + x - 15 : (2 x - 5) (x + 3)

(2 x - 5) (x + 3) < 0

Identify the intervals

- 3 < x < \frac{5}{2}

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Frequently Asked Questions (FAQ)

What is 2x^2+x<15 ?
The solution to 2x^2+x<15 is -3<x< 5/2