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Popular >

simplify 4-sqrt(-9)

Solution

simplify

4 - - 9

Solution

4 - 3 i

Solution steps

4 - - 9

Apply radical rule:

- a = a - 1

- 9 = 9 - 1

= 4 - 9 - 1

Apply imaginary number rule:

- 1 = i

= 4 - 9 i

9 = 3

= 4 - 3 i

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Frequently Asked Questions (FAQ)

What is 4-sqrt(-9) ?
The solution to 4-sqrt(-9) is 4-3i