en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

factor x^2-4/81

Solution

factor

x^{2} - \frac{4}{81}

Solution

(x + \frac{2}{9}) (x - \frac{2}{9})

Solution steps

x^{2} - \frac{4}{81}

Factor

\frac{4}{81} : (\frac{2}{9})^{2}

= x^{2} - (\frac{2}{9})^{2}

Apply Difference of Two Squares Formula:

x^{2} - y^{2} = (x + y) (x - y)

x^{2} - (\frac{2}{9})^{2} = (x + \frac{2}{9}) (x - \frac{2}{9})

= (x + \frac{2}{9}) (x - \frac{2}{9})

Popular Examples

simplify 1/(1-0.8)simplify

\frac{1}{1 - 0.8}

simplify (x^2-7x+12)/(x^2-5x+6)simplify

\frac{x ^{2} - 7 x + 12}{x ^{2} - 5 x + 6}

factor 81m^8+2m^4+1 factor

81 m^{8} + 2 m^{4} + 1

simplify sqrt(x^2+10x+25)simplify

x^{2} + 10 x + 25

simplify (-2sin(x))^2 simplify

(- 2 sin (x))^{2}

Frequently Asked Questions (FAQ)

What is factor x^2-4/81 ?
The solution to factor x^2-4/81 is (x+2/9)(x-2/9)