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8-13.
  1. Simplify each expression. Homework Help ✎

    1. (3 + 4i) + (7 – 2i)

    2. (3 + 5i)2

    3. (7 + i)(7 – i)

    4. (3i)(2i)2

    5. i3

    6. i32

Combine the real terms with real terms and complex terms with complex terms.

Use are area model. (3 + 5i)(3 + 5i)

Remember that i2 = –1.

50

Remember the Order of Operations.

i

i4 = 1