What is (-15-sqrt(-9))-(3-sqrt(-9)) ?

The solution to (-15-sqrt(-9))-(3-sqrt(-9)) is -18

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simplify (-15-sqrt(-9))-(3-sqrt(-9))

simplify

(- 15 - - 9) - (3 - - 9)

- 18

Solution steps

(- 15 - - 9) - (3 - - 9)

Apply rule:

(a) = a

(- 15 - - 9) = - 15 - - 9

= - 15 - - 9 - (3 - - 9)

- 9 = 3 i

- (3 - - 9) = - 3 + 3 i

= - 15 - 3 i - 3 + 3 i

Group like terms

= - 3 i + 3 i - 15 - 3

Add similar elements:

- 3 i + 3 i = 0

= - 15 - 3

Subtract the numbers:

- 15 - 3 = - 18

= - 18

- 36 \div 9

9 x^{5} (7 x^{2} - 3 x^{2} + 2)

(3 a + 1)^{2}

\frac{1}{8 x} - \frac{8}{3 x}

\frac{4}{5} \times 2

What is (-15-sqrt(-9))-(3-sqrt(-9)) ?
The solution to (-15-sqrt(-9))-(3-sqrt(-9)) is -18