What is sqrt(20)+sqrt(20) ?

The solution to sqrt(20)+sqrt(20) is 4sqrt(5)

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify sqrt(20)+sqrt(20)

simplify

20 + 20

45

Decimal Notation

8.94427 \dots

Solution steps

20 + 20

Add similar elements:

20 + 20 = 220

= 220

Prime factorization of

20 : 2^{2} \cdot 5

= 2 2^{2} \cdot 5

Apply radical rule:

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

2^{2} \cdot 5 = 2^{2} 5

= 2 2^{2} 5

Apply radical rule:

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

2^{2} = 2

= 2 \cdot 25

Multiply the numbers:

2 \cdot 2 = 4

= 45

\frac{( 5 x y - 8 x ^{2} )}{x}

9 + 19

n^{2} \cdot n^{\frac{1}{2}}

(7 + 2 i) (6 - 3 i)

\frac{5}{6} + \frac{1}{15}