Answer:
97.2
Step-by-step explanation:
Alright, we're in the home stretch here :) All you need to remember is that i² = -1. Otherwise, it is the same as FOIL
(3-2i)(1+7i)
3-2i+21i-14i² ← Replace the i² with -1, then simplify like numbers
3+19i+14
17+19i or C
27x^3-108x^2y+144xy^2-64y^3
504
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Answer:
Answer is the 2nd multiple choice question
Step-by-step explanation:
