4 years ago

Multiply: (-4 + i)(-1 + 5i)

1 answer:

3 0

Answer:

$( - 4 + i) ( - 1 + 5i) \\ = 4 - 20i - 1i + 5 {i}^{2} \\ = 4 - ( -21i )+ 5i {}^{2}$

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