en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

21x^2>=-11x+2

Solution

21 x^{2} \geq - 11 x + 2

Solution

x \leq - \frac{2}{3} or x \geq \frac{1}{7}

+2

Solution steps

21 x^{2} \geq - 11 x + 2

Rewrite in standard form

21 x^{2} - 2 + 11 x \geq 0

Factor

21 x^{2} - 2 + 11 x : (7 x - 1) (3 x + 2)

(7 x - 1) (3 x + 2) \geq 0

Identify the intervals

x \leq - \frac{2}{3} or x \geq \frac{1}{7}

Popular Examples

simplify e^{-ln(x^2)}simplify

e^{- l n (x^{2})}

simplify x^{1/4}*x^{1/2}simplify

x^{\frac{1}{4}} \cdot x^{\frac{1}{2}}

simplify 1/3-3/1 simplify

\frac{1}{3} - \frac{3}{1}

factor 9m^2+30mn+25n^2 factor

9 m^{2} + 30 mn + 25 n^{2}

factor 14x+20 factor

14 x + 20

Frequently Asked Questions (FAQ)

What is 21x^2>=-11x+2 ?
The solution to 21x^2>=-11x+2 is x<=-2/3 \lor x>= 1/7