What is simplify-sqrt(9)-sqrt(-81)-sqrt(16)-sqrt(-4) ?

The solution to simplify-sqrt(9)-sqrt(-81)-sqrt(16)-sqrt(-4) is -7-11i

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simplify-sqrt(9)-sqrt(-81)-sqrt(16)-sqrt(-4)

simplify

- 9 - - 81 - 16 - - 4

- 7 - 11 i

Solution steps

- 9 - - 81 - 16 - - 4

- 9 = - 3

- 81 = 9 i

16 = 4

- 4 = 2 i

= - 3 - 9 i - 4 - 2 i

Group like terms

= - 9 i - 2 i - 3 - 4

Add similar elements:

- 9 i - 2 i = - 11 i

= - 11 i - 3 - 4

Subtract the numbers:

- 3 - 4 = - 7

= - 11 i - 7

Rewrite in standard complex form:

- 7 - 11 i

= - 7 - 11 i

2 (\frac{1}{2}) - 1

2 (- a) (3 - a)

2 (n + 1) + 1

\frac{27}{- 3}

What is simplify-sqrt(9)-sqrt(-81)-sqrt(16)-sqrt(-4) ?
The solution to simplify-sqrt(9)-sqrt(-81)-sqrt(16)-sqrt(-4) is -7-11i