en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2x^2-5x>= 3

Solution

2 x^{2} - 5 x \geq 3

Solution

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

+2

Interval Notation

(- \infty, - \frac{1}{2}] \cup [3, \infty)

Decimal Notation

x \leq - 0.5 or x \geq 3

Solution steps

2 x^{2} - 5 x \geq 3

Rewrite in standard form

2 x^{2} - 5 x - 3 \geq 0

Factor

2 x^{2} - 5 x - 3 : (2 x + 1) (x - 3)

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

Identify the intervals

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

Popular Examples

|0.68x+3.49|=|-1.56x+2.65|

∣ 0.68 x + 3.49 ∣ = ∣ - 1.56 x + 2.65 ∣

factor 8x^2+22x+5 factor

8 x^{2} + 22 x + 5

simplify-6-1/2 simplify

- 6 - \frac{1}{2}

(x+1)/6-(x-4)/3 = 9/4

\frac{x + 1}{6} - \frac{x - 4}{3} = \frac{9}{4}

-71>34w-97-32w>=-97

- 71 > 34 w - 97 - 32 w \geq - 97

Frequently Asked Questions (FAQ)

What is 2x^2-5x>= 3 ?
The solution to 2x^2-5x>= 3 is x<=-1/2 \lor x>= 3