What is sqrt(81)+sqrt(-7)+sqrt(9)+sqrt(-112) ?

The solution to sqrt(81)+sqrt(-7)+sqrt(9)+sqrt(-112) is 12+5sqrt(7)i

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simplify sqrt(81)+sqrt(-7)+sqrt(9)+sqrt(-112)

simplify

81 + - 7 + 9 + - 112

12 + 57 i

Solution steps

81 + - 7 + 9 + - 112

81 = 9

- 7 = 7 i

9 = 3

- 112 = 47 i

= 9 + 7 i + 3 + 47 i

Group like terms

= 7 i + 47 i + 9 + 3

Add similar elements:

7 i + 47 i = 57 i

= 57 i + 9 + 3

Add the numbers:

9 + 3 = 12

= 57 i + 12

Rewrite in standard complex form:

12 + 57 i

= 12 + 57 i

45 \div 15

\frac{7}{2} + \frac{1}{2}

(3 n^{2})^{3}

12 \div \frac{1}{2}

\frac{1}{3} \times \frac{1}{4}

What is sqrt(81)+sqrt(-7)+sqrt(9)+sqrt(-112) ?
The solution to sqrt(81)+sqrt(-7)+sqrt(9)+sqrt(-112) is 12+5sqrt(7)i