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erastova [34]
3 years ago
9

Simplify the expression below as much as possible. (8 + 9i) + (5 - 91) - (8 - 7i)

Mathematics
1 answer:
Sauron [17]3 years ago
7 0

Answer:

B. 5 + 7i

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

<u>Algebra II</u>

  • Complex Standard Form: a + bi
  • Imaginary Numbers

Step-by-step explanation:

<u>Step 1: Define expression</u>

(8 + 9i) + (5 - 9i) - (8 - 7i)

<u>Step 2: Simplify</u>

  1. Distribute negative:                     8 + 9i + 5 - 9i - 8 + 7i
  2. Combine like terms:                    5 + 7i
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