(4-5i)(-8+i)(1-2i)

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(4-5i)(-8+i)(1-2i)

Guest Sep 16, 2014

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Best Answer

(4-5i)(-8+i)(1-2i) taking this in parts, we have

(4-5i) (-8 + i) = -32 + 40i +4i - 5i² = -32 + 44i + 5 = -27 + 44i

(-27 + 44i) ( 1 - 2i) = -27 + 44i + 54i - 88i² = 61 + 98i

CPhill Sep 16, 2014

CPhill · Answer 1 · 2014-09-16T01:09:28

(4-5i)(-8+i)(1-2i) taking this in parts, we have

(4-5i) (-8 + i) = -32 + 40i +4i - 5i² = -32 + 44i + 5 = -27 + 44i

(-27 + 44i) ( 1 - 2i) = -27 + 44i + 54i - 88i² = 61 + 98i