Jaber Z. answered • 03/27/20
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B.Sc in Math and Gold medal in International Mathematics Olympiad!
(-4i)(2+i) is 4 - 8i
(6i) (-7-7i) is 42 - 42i
Answer is:
-38 + 34i
Rebecca K.
asked • 03/27/20I need to simplify
(-4i) (2+I) -(6i) (-7-7i)
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