What is simplify-sqrt(4)-sqrt(-64)+sqrt(81)-sqrt(-36) ?

The solution to simplify-sqrt(4)-sqrt(-64)+sqrt(81)-sqrt(-36) is 7-14i

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simplify-sqrt(4)-sqrt(-64)+sqrt(81)-sqrt(-36)

simplify

- 4 - - 64 + 81 - - 36

7 - 14 i

Solution steps

- 4 - - 64 + 81 - - 36

- 4 = - 2

- 64 = 8 i

81 = 9

- 36 = 6 i

= - 2 - 8 i + 9 - 6 i

Group like terms

= - 8 i - 6 i - 2 + 9

Add similar elements:

- 8 i - 6 i = - 14 i

= - 14 i - 2 + 9

Add the numbers:

- 2 + 9 = 7

= - 14 i + 7

Rewrite in standard complex form:

7 - 14 i

= 7 - 14 i

1.3

\frac{5}{x ^{2}} + \frac{2}{x ^{2}}

- 415 \cdot 3

444

lo g_{3} (72)

What is simplify-sqrt(4)-sqrt(-64)+sqrt(81)-sqrt(-36) ?
The solution to simplify-sqrt(4)-sqrt(-64)+sqrt(81)-sqrt(-36) is 7-14i