What is (-10-3i)+(-7-5i) ?

The solution to (-10-3i)+(-7-5i) is -17-8i

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simplify (-10-3i)+(-7-5i)

simplify

(- 10 - 3 i) + (- 7 - 5 i)

- 17 - 8 i

Solution steps

(- 10 - 3 i) + (- 7 - 5 i)

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

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

= (- 10 - 7) + (- 3 - 5) i

Simplify

(- 10 - 7) + (- 3 - 5) i : - 17 - 8 i

= - 17 - 8 i

(- 2 - 4 i) (- 6 - 4 i)

8 \cdot (- 7)

220

∣ - 8 - 2 ∣

8 (18 - 8)