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Popular >

simplify 2sqrt(-18)

Solution

simplify

2 - 18

Solution

62 i

Solution steps

2 - 18

Apply radical rule:

- a = a - 1

- 18 = 18 - 1

= 218 - 1

Apply imaginary number rule:

- 1 = i

= 218 i

18 = 2 \cdot 3

= 22 \cdot 3 i

Multiply the numbers:

2 \cdot 3 = 6

= 62 i

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Frequently Asked Questions (FAQ)

What is 2sqrt(-18) ?
The solution to 2sqrt(-18) is 6sqrt(2)i