en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

x^2-x-20<= 0

Solution

x^{2} - x - 20 \leq 0

Solution

- 4 \leq x \leq 5

+1

Solution steps

x^{2} - x - 20 \leq 0

Factor

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

(x + 4) (x - 5) \leq 0

Identify the intervals

- 4 \leq x \leq 5

Popular Examples

5 x - 10 = 3 x^{2}

simplify (8*320)^{1/3}simplify

(8 \cdot 320)^{\frac{1}{3}}

simplify (-5)/(4^2)simplify

\frac{- 5}{4 ^{2}}

factor 5x^2+46x-40 factor

5 x^{2} + 46 x - 40

simplify 2/3 4^{3/2}simplify

\frac{2}{3} 4^{\frac{3}{2}}

Frequently Asked Questions (FAQ)

What is x^2-x-20<= 0 ?
The solution to x^2-x-20<= 0 is -4<= x<= 5