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PtichkaEL [24]
3 years ago
15

Type the correct answer in the box.

Mathematics
1 answer:
Akimi4 [234]3 years ago
7 0

Answer:

\huge\boxed{-8+8i}

Step-by-step explanation:

2(-36-3i)+(5+2i)(12-2i)\\\\\text{use the distributive property and FOIL}\\\\=(2)(-36)+(2)(-3i)+(5)(12)+(5)(-2i)+(2i)(12)+(2i)(-2i)\\\\=-72-6i+60-10i+24i-4i^2\\\\i=\sqrt{-1}\to i^2=-1\\\\=-72-6i+60-10i+24i-4(-1)=-72-6i+60-10i+24i+4\\\\=(-72+60+4)+(-6-10+24)=-8+8i

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