en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 5sqrt(81)

Solution

simplify

581

Solution

45

Solution steps

581

Factor the number:

81 = 9^{2}

= 5 9^{2}

Apply radical rule:

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

9^{2} = 9

= 5 \cdot 9

Multiply the numbers:

5 \cdot 9 = 45

= 45

Popular Examples

|z+1|+|z-1|<= 3

∣ z + 1 ∣ + ∣ z - 1 ∣ \leq 3

simplify (6a^5b^2)/(4ab^3)simplify

\frac{6 a ^{5} b ^{2}}{4 a b ^{3}}

1<(4x-4)/(2x+3)<3

1 < \frac{4 x - 4}{2 x + 3} < 3

simplify (x^9)/(x^7)simplify

\frac{x ^{9}}{x ^{7}}

simplify-6(4-6i)simplify

- 6 (4 - 6 i)

Frequently Asked Questions (FAQ)

What is 5sqrt(81) ?
The solution to 5sqrt(81) is 45