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

The solution to sqrt(4)-sqrt(-81)+sqrt(4)+sqrt(-36) is 4-3i

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

simplify

4 - - 81 + 4 + - 36

4 - 3 i

Solution steps

4 - - 81 + 4 + - 36

Add similar elements:

4 + 4 = 24

= 24 - - 81 + - 36

24 = 4

- 81 = 9 i

- 36 = 6 i

= 4 - 9 i + 6 i

Add similar elements:

- 9 i + 6 i = - 3 i

= 4 - 3 i

37 + 232 - 4175

\frac{25 x ^{3} y ^{3}}{25 x ^{7} y ^{2}}

\frac{- 4 + 12}{2}

74

- i (4 - 8 i)

What is sqrt(4)-sqrt(-81)+sqrt(4)+sqrt(-36) ?
The solution to sqrt(4)-sqrt(-81)+sqrt(4)+sqrt(-36) is 4-3i