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Mathematics 20 Online
OpenStudy (anonymous):

Simplify the given expression. (-3 + 2i) • (2 + i) a. -8 + i b. -6 + 3i c. -3 + 4i d. -1 + 2i

OpenStudy (itiaax):

The answer is A

OpenStudy (adilalvi):

a is correct.

OpenStudy (anonymous):

do you guys no this one? Simplify the given expression. (4 + 2i) - (1 - 7i) a. 5 - 5i b. 5 + 9i c. 3 + 9i d. 3 - 5i

OpenStudy (itiaax):

c is the answer

OpenStudy (anonymous):

I have this one too Simplify the given expression. (3 + 4i) + (5 - 2i) a. -2 + 6i b. 2 - 2i c. 7 + 3i d. 8 + 2i

OpenStudy (anonymous):

are you sure tho?

OpenStudy (adilalvi):

d

OpenStudy (itiaax):

yup

OpenStudy (itiaax):

Answer is d

OpenStudy (anonymous):

okieee last one: Simplify the given expression. (7 - 3i) • (2 - i) a. 4 + i b. 14 + 3i c. 11 - 13i d. 14 - 10i

OpenStudy (itiaax):

Answer is c

OpenStudy (adilalvi):

c

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