Perform each operation. Write answers in standard form. (a) (9 - 3i) - (4 + 5i) (b)

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Perform each operation. Write answers in standard form.
(a) (9 - 3i) - (4 + 5i) 

(b) (4 + 3i)(-5 + 3i)

(c) (8 + 3i)2 

(d) 3 + 19i/1 + 3i

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College Algebra

ISBN: 978-0134697024

12th edition

Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

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