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Popular >

simplify 2-sqrt(-9)

Solution

simplify

2 - - 9

Solution

2 - 3 i

Solution steps

2 - - 9

Apply radical rule:

- a = a - 1

- 9 = 9 - 1

= 2 - 9 - 1

Apply imaginary number rule:

- 1 = i

= 2 - 9 i

9 = 3

= 2 - 3 i

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Frequently Asked Questions (FAQ)

What is 2-sqrt(-9) ?
The solution to 2-sqrt(-9) is 2-3i