What is sqrt(121)-sqrt(-81)+sqrt(144)+sqrt(-4) ?

The solution to sqrt(121)-sqrt(-81)+sqrt(144)+sqrt(-4) is 23-7i

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simplify sqrt(121)-sqrt(-81)+sqrt(144)+sqrt(-4)

simplify

121 - - 81 + 144 + - 4

23 - 7 i

Solution steps

121 - - 81 + 144 + - 4

121 = 11

- 81 = 9 i

144 = 12

- 4 = 2 i

= 11 - 9 i + 12 + 2 i

Group like terms

= - 9 i + 2 i + 11 + 12

Add similar elements:

- 9 i + 2 i = - 7 i

= - 7 i + 11 + 12

Add the numbers:

11 + 12 = 23

= - 7 i + 23

Rewrite in standard complex form:

23 - 7 i

= 23 - 7 i

(\frac{3}{2})^{2} + (\frac{1}{2})^{2}

40 - 2 (x + 5)

lo g_{2} (1048576)

\frac{6 !}{6 ! ( 6 - 6 ) !}

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

What is sqrt(121)-sqrt(-81)+sqrt(144)+sqrt(-4) ?
The solution to sqrt(121)-sqrt(-81)+sqrt(144)+sqrt(-4) is 23-7i