3 years ago

Perform the operation. Give the answer in a + bi form. (2 − 2i)(3 + i)

Mathematics

1 answer:

Delvig [45]3 years ago

3 0

Answer:

$\boxed{8-4i}$

Step-by-step explanation:

We know that $i^2=-1$

$(2-2i)(3+i) = 6 + 2i -6i -2i^2\\$

= -4i+6+2

=8-4i

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Answer:

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2 years ago

E=6c^2-2c-1<br> F=-4c^2+7c+5<br> E+F=

kifflom [539]

Answer:

E + F = 2c^2 + 5c + 4

Step-by-step explanation:

E=6c^2-2c-1

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