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Popular >

x^2-x<20

Solution

x^{2} - x < 20

Solution

- 4 < x < 5

+1

Interval Notation

(- 4, 5)

Solution steps

x^{2} - x < 20

Rewrite in standard form

x^{2} - x - 20 < 0

Factor

x^{2} - x - 20 : (x + 4) (x - 5)

(x + 4) (x - 5) < 0

Identify the intervals

- 4 < x < 5

Popular Examples

2 \leq x < 3

factor 4x^2y+16x^2-16x^4y factor

4 x^{2} y + 16 x^{2} - 16 x^{4} y

simplify (12!)/(11!)simplify

\frac{12 !}{11 !}

5+7/4 a=4-5/8 a

5 + \frac{7}{4} a = 4 - \frac{5}{8} a

simplify 20*6 simplify

20 \cdot 6

Frequently Asked Questions (FAQ)

What is x^2-x<20 ?
The solution to x^2-x<20 is -4<x<5