en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 7sqrt(90)

Solution

simplify

790

Solution

2110

+1

Decimal Notation

66.40783 \dots

Solution steps

790

Prime factorization of

90 : 2 \cdot 3^{2} \cdot 5

= 7 2 \cdot 3^{2} \cdot 5

Apply radical rule:

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

2 \cdot 3^{2} \cdot 5 = 3^{2} 2 \cdot 5

= 7 3^{2} 2 \cdot 5

Apply radical rule:

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

3^{2} = 3

= 7 \cdot 3 2 \cdot 5

Multiply the numbers:

2 \cdot 5 = 10

= 7 \cdot 310

Multiply the numbers:

7 \cdot 3 = 21

= 2110

Popular Examples

- \frac{8}{9} \div \frac{2}{3}

simplify sqrt((1-8/17)/2)simplify

\frac{1 - \frac{8}{17}}{2}

expand (4a-3b)^2 expand

(4 a - 3 b)^{2}

simplify 0/20 simplify

\frac{0}{20}

simplify-0.4r-3(-9r-6)simplify

- 0.4 r - 3 (- 9 r - 6)

Frequently Asked Questions (FAQ)

What is 7sqrt(90) ?
The solution to 7sqrt(90) is 21sqrt(10)