Question

Simplify the expression to a + bi form: (3 - 2i)(-10 - 7i)

Answer 1

Answer:

-44-i

Step-by-step explanation:

(3-2i)(-10-7i)

-30+20i-21i+14i^2 where i^2=-1

-30-i+14(-1)

-30-i-14

-30-14-i

-44-i

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Answer 2

Answer:

$(3 - 2i)( - 10 - 7i) \\ = - 30 - 21i + 20i + 14 {i}^{2} \\ = - 30 - i - 14 \\ = - 44 - i$

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