en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

factor 9a^2-1

Solution

factor

9 a^{2} - 1

Solution

(3 a + 1) (3 a - 1)

Solution steps

9 a^{2} - 1

Apply exponent rules

= (3 a)^{2} - 1^{2}

Apply Difference of Two Squares Formula:

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

(3 a)^{2} - 1^{2} = (3 a + 1) (3 a - 1)

= (3 a + 1) (3 a - 1)

Popular Examples

5 x^{2} + 10 x + 9 = 0

factor 25s^2+60st+36t^2 factor

25 s^{2} + 60 s t + 36 t^{2}

ln (x) \geq 3

simplify 2sqrt(64)simplify

264

simplify (x^{4/3}x^{2/3})^{1/3}simplify

(x^{\frac{4}{3}} x^{\frac{2}{3}})^{\frac{1}{3}}

Frequently Asked Questions (FAQ)

What is factor 9a^2-1 ?
The solution to factor 9a^2-1 is (3a+1)(3a-1)