What is 2sqrt(2)*2sqrt(20) ?

The solution to 2sqrt(2)*2sqrt(20) is 8sqrt(10)

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simplify 2sqrt(2)*2sqrt(20)

simplify

22 \cdot 220

810

Solution steps

22 \cdot 220

20 = 25

= 22 \cdot 2 \cdot 25

Apply radical rule:

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

25 = 2 \cdot 5

= 2 2 \cdot 5 \cdot 2 \cdot 2

Multiply the numbers:

2 \cdot 5 = 10

= 210 \cdot 2 \cdot 2

Multiply the numbers:

2 \cdot 2 \cdot 2 = 8

= 810

\frac{2 π}{- 4}

- \frac{5}{6} y = 15

x + 1 = x^{2} - 2 x + 3

x - 3 \geq - 5

x^{2} - 24 x + 128