en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

factor 81x^2-9y^2

Solution

factor

81 x^{2} - 9 y^{2}

Solution

9 (3 x + y) (3 x - y)

Solution steps

81 x^{2} - 9 y^{2}

Factor out common term

9 : 9 (9 x^{2} - y^{2})

= 9 (9 x^{2} - y^{2})

Factor

9 x^{2} - y^{2} : (3 x + y) (3 x - y)

= 9 (3 x + y) (3 x - y)

Popular Examples

factor 2^n-2^{n+1}factor

2^{n} - 2^{n + 1}

5 (p - 9) = 5 p + 9

simplify 1-2 simplify

1 - 2

simplify 1/(1/3+1/6)simplify

\frac{1}{\frac{1}{3} + \frac{1}{6}}

x/4+4<3\lor-x+2<2

\frac{x}{4} + 4 < 3 or - x + 2 < 2

Frequently Asked Questions (FAQ)

What is factor 81x^2-9y^2 ?
The solution to factor 81x^2-9y^2 is 9(3x+y)(3x-y)