2 years ago

What is the product (1 – 6i) (-5 – 8i) ? PLEASE HELP QUICK!!!!!f

Mathematics

1 answer:

Svetlanka [38]2 years ago

3 0

Answer:

$-53+22i$

Step-by-step explanation:

You can simply use the FOIL method, but keep in mind that $i^2=-1$ :

$(1-6i)(-5-8i)\\(1)(-5)+(1)(-8i)+(-6i)(-5)+(-6i)(-8i)\\-5-8i+30i+48i^2\\-5+22i+48(-1)\\-5+22i-48\\-53+22i$

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