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Popular >

simplify-4sqrt(20)

Solution

simplify

- 420

Solution

- 85

+1

Decimal Notation

- 17.88854 \dots

Solution steps

- 420

Prime factorization of

20 : 2^{2} \cdot 5

= - 4 2^{2} \cdot 5

Apply radical rule:

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

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

= - 4 2^{2} 5

Apply radical rule:

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

2^{2} = 2

= - 4 \cdot 25

Multiply the numbers:

- 4 \cdot 2 = - 8

= - 85

Popular Examples

expand (n+1)^{10}expand

(n + 1)^{10}

simplify n^7*n simplify

n^{7} \cdot n

simplify 1/(1+2i)+1/(1+8i)simplify

\frac{1}{1 + 2 i} + \frac{1}{1 + 8 i}

- 3 \frac{3}{5}

simplify 7/3+(-3/8)simplify

\frac{7}{3} + (- \frac{3}{8})

Frequently Asked Questions (FAQ)

What is simplify-4sqrt(20) ?
The solution to simplify-4sqrt(20) is -8sqrt(5)