en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify sqrt(121)-sqrt(21)

Solution

simplify

121 - 21

Solution

11 - 21

+1

Decimal Notation

6.41742 \dots

Solution steps

121 - 21

Factor the number:

121 = 1 1^{2}

= 1 1^{2} - 21

Apply radical rule:

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

1 1^{2} = 11

= 11 - 21

Popular Examples

simplify 2\times 3x^2 simplify

2 \times 3 x^{2}

factor 6x^2+24 factor

6 x^{2} + 24

simplify 3i(2+2i)simplify

3 i (2 + 2 i)

simplify sqrt(24000)simplify

24000

simplify 8/(7x)+4/(9x)simplify

\frac{8}{7 x} + \frac{4}{9 x}

Frequently Asked Questions (FAQ)

What is sqrt(121)-sqrt(21) ?
The solution to sqrt(121)-sqrt(21) is 11-sqrt(21)