OpenStax, Algebra and Trigonometry 2e §2.4 Complex Numbers · Example 5 · Complex Numbers · Arithmetic of ℂ

Adding and Subtracting Complex Numbers

Add or subtract as indicated.

ⓐ $(3 - 4 i) + (2 + 5 i)$
ⓑ $(- 5 + 7 i) - (- 11 + 2 i)$

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OpenStax, Algebra and Trigonometry 2e · §2.4 Complex Numbers · Example 5

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