en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify (21)/(sqrt(7))

Solution

simplify

\frac{21}{7}

Solution

37

+1

Decimal Notation

7.93725 \dots

Solution steps

\frac{21}{7}

Factor the number:

21 = 7 \cdot 3

= \frac{7 \cdot 3}{7}

Apply radical rule:

a = a a

7 = 77

= \frac{7 7 \cdot 3}{7}

Cancel the common factor:

7

= 7 \cdot 3

= 37

Popular Examples

simplify (8!)/(3!)simplify

\frac{8 !}{3 !}

factor (x^2-9)^2 factor

(x^{2} - 9)^{2}

z + (3 + 2 i) = 5 + 20 i

simplify-(0.8(5))/((0.01(5)^2+1)^2)simplify

- \frac{0.8 ( 5 )}{( 0.01 ( 5 ) ^{2} + 1 ) ^{2}}

2 (5 y - 1) = 28

Frequently Asked Questions (FAQ)

What is (21)/(sqrt(7)) ?
The solution to (21)/(sqrt(7)) is 3sqrt(7)