en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify sqrt(21)*sqrt(7)

Solution

simplify

21 \cdot 7

Solution

73

+1

Decimal Notation

12.12435 \dots

Solution steps

217

21 = 73

= 737

Apply radical rule:

a a = a, a \geq 0

77 = 7

= 73

Popular Examples

simplify \sqrt[3]{2^7}simplify

factor 4x-4x^2 factor

4 x - 4 x^{2}

simplify 5/6+5/12 simplify

\frac{5}{6} + \frac{5}{12}

simplify (x+sqrt(y))/(x-sqrt(y))simplify

\frac{x + y}{x - y}

simplify (4x)/((4x)^2+1)simplify

\frac{4 x}{( 4 x ) ^{2} + 1}

Frequently Asked Questions (FAQ)

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