What is (x+3)^2-(x-3)^2 ?

The solution to (x+3)^2-(x-3)^2 is 12x

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify (x+3)^2-(x-3)^2

simplify

(x + 3)^{2} - (x - 3)^{2}

12 x

Solution steps

(x + 3)^{2} - (x - 3)^{2}

Expand

(x + 3)^{2} : x^{2} + 6 x + 9

= x^{2} + 6 x + 9 - (x - 3)^{2}

Expand

- (x - 3)^{2} : - x^{2} + 6 x - 9

= x^{2} + 6 x + 9 - x^{2} + 6 x - 9

Group like terms

= x^{2} - x^{2} + 6 x + 6 x + 9 - 9

Add similar elements:

x^{2} - x^{2} = 0

= 6 x + 6 x + 9 - 9

Add similar elements:

6 x + 6 x = 12 x

= 12 x + 9 - 9

Subtract the numbers:

9 - 9 = 0

= 12 x

- 6360 k^{3}

x^{4} + 4 x + 3

(a - 4) (a + 3)

200!

4 - (a + 1)^{2}