What is (-2-9i)-(11-8i) ?

The solution to (-2-9i)-(11-8i) is -13-i

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simplify (-2-9i)-(11-8i)

simplify

(- 2 - 9 i) - (11 - 8 i)

- 13 - i

Solution steps

(- 2 - 9 i) - (11 - 8 i)

Group the real part and the imaginary part of the complex number

(a + bi) - (c + d i) = (a - c) + (b - d) i

= (- 2 - 11) + (- 9 - (- 8)) i

Simplify

(- 2 - 11) + (- 9 - (- 8)) i : - 13 - i

= - 13 - i

- 8^{0}

- 6 + (- 4)

\frac{\frac{1}{m} + \frac{1}{n}}{\frac{1}{m} - \frac{1}{n}}

x (a + 1) - a - 1