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Popular >

x^2<2x+15

Solution

x^{2} < 2 x + 15

Solution

- 3 < x < 5

+1

Interval Notation

(- 3, 5)

Solution steps

x^{2} < 2 x + 15

Rewrite in standard form

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

Factor

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

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

Identify the intervals

- 3 < x < 5

Popular Examples

simplify (2y^2)^2 simplify

(2 y^{2})^{2}

log_{1/3}(5x-3)<2

lo g_{\frac{1}{3}} (5 x - 3) < 2

2 x^{2} + 14 = - 7 x

simplify (sqrt(-54))/(sqrt(-2))simplify

\frac{- 54}{- 2}

sqrt(x^2-2x-15)>2x+5

x^{2} - 2 x - 15 > 2 x + 5

Frequently Asked Questions (FAQ)

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