What is simplify-sqrt(4)-sqrt(-162)-sqrt(81)-sqrt(-72) ?

The solution to simplify-sqrt(4)-sqrt(-162)-sqrt(81)-sqrt(-72) is -11-15sqrt(2)i

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simplify-sqrt(4)-sqrt(-162)-sqrt(81)-sqrt(-72)

simplify

- 4 - - 162 - 81 - - 72

- 11 - 152 i

Solution steps

- 4 - - 162 - 81 - - 72

- 4 = - 2

- 162 = 2 \cdot 9 i

81 = 9

- 72 = 62 i

= - 2 - 2 \cdot 9 i - 9 - 62 i

Group like terms

= - 2 \cdot 9 i - 62 i - 2 - 9

Add similar elements:

- 2 \cdot 9 i - 62 i = - 152 i

= - 152 i - 2 - 9

Subtract the numbers:

- 2 - 9 = - 11

= - 152 i - 11

Rewrite in standard complex form:

- 11 - 152 i

= - 11 - 152 i

- 2 m^{2} + 19 m - 24

2 (x + \frac{3}{4})^{2} - 5 = 123

\frac{4}{3} x - \frac{2}{5} = \frac{7}{5} x - \frac{1}{10}

14 y^{2} = 1 - 5 y

4^{- 5}

What is simplify-sqrt(4)-sqrt(-162)-sqrt(81)-sqrt(-72) ?
The solution to simplify-sqrt(4)-sqrt(-162)-sqrt(81)-sqrt(-72) is -11-15sqrt(2)i