What is (-12-5i)-(-12+9i) ?

The solution to (-12-5i)-(-12+9i) is -14i

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simplify (-12-5i)-(-12+9i)

simplify

(- 12 - 5 i) - (- 12 + 9 i)

- 14 i

Solution steps

(- 12 - 5 i) - (- 12 + 9 i)

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

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

= (- 12 - (- 12)) + (- 5 - 9) i

Simplify

(- 12 - (- 12)) + (- 5 - 9) i : - 14 i

= - 14 i

7 + 7

9 + 3

\frac{100}{2 5}

- 100 - 2 - 16

(2 x - 3)^{4}