en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify sqrt(15)*sqrt(21)

Solution

simplify

15 \cdot 21

Solution

335

+1

Solution steps

1521

15 = 35

= 3521

21 = 37

= 3537

Apply radical rule:

a a = a, a \geq 0

33 = 3

= 357

Apply radical rule:

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

57 = 5 \cdot 7

= 3 5 \cdot 7

Multiply the numbers:

5 \cdot 7 = 35

= 335

Popular Examples

simplify 48/24 simplify

\frac{48}{24}

simplify 2 2/5-6/5 simplify

2 \frac{2}{5} - \frac{6}{5}

expand x(2x+5)expand

x (2 x + 5)

simplify (-4i)^5 simplify

(- 4 i)^{5}

simplify (4+8)/2 simplify

\frac{4 + 8}{2}

Frequently Asked Questions (FAQ)

What is sqrt(15)*sqrt(21) ?
The solution to sqrt(15)*sqrt(21) is 3sqrt(35)