What is (-21+19i)-(-10-5i) ?

The solution to (-21+19i)-(-10-5i) is -11+24i

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simplify (-21+19i)-(-10-5i)

simplify

(- 21 + 19 i) - (- 10 - 5 i)

- 11 + 24 i

Solution steps

(- 21 + 19 i) - (- 10 - 5 i)

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

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

= (- 21 - (- 10)) + (19 - (- 5)) i

Simplify

(- 21 - (- 10)) + (19 - (- 5)) i : - 11 + 24 i

= - 11 + 24 i

\frac{25}{7}

\frac{- 180}{- 10}

3 - 648

3 \times \frac{4}{9}

3 x^{2} - 19 x - 40