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Imaginary and Complex Numbers. Practice. Simplify: 1) (4 + 2i) + (-3 – 5i). 2) (-3 + 4i) – (5 + 2i). 3) (-8 – 7i) – (5 – 4i). 4) (3 – 2i)(5 + 4i). 5) (3 – 4i).
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