What is sqrt(18)+sqrt(18) ?

The solution to sqrt(18)+sqrt(18) is 6sqrt(2)

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify sqrt(18)+sqrt(18)

simplify

18 + 18

62

Decimal Notation

8.48528 \dots

Solution steps

18 + 18

Add similar elements:

18 + 18 = 218

= 218

Prime factorization of

18 : 2 \cdot 3^{2}

= 2 2 \cdot 3^{2}

Apply radical rule:

ab = a b, a \geq 0, b \geq 0

2 \cdot 3^{2} = 2 3^{2}

= 22 3^{2}

Apply radical rule:

a^{2} = a, a \geq 0

3^{2} = 3

= 22 \cdot 3

Multiply the numbers:

2 \cdot 3 = 6

= 62

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

\frac{2}{9} + \frac{1}{5}

\frac{4 + i}{8 i}

(3 x - 6) (7 x + 7)

15 \cdot 21