OpenStudy (anonymous):

Multiply (9 - 4i)(2 + 5i) Wouldn't the answer be 18 - 2i? Or am I way off.

5 years ago
OpenStudy (anonymous):

Oops i mean 18 - 20i

5 years ago
OpenStudy (precal):

you are way off, it is 38+37i, did you use foil?

5 years ago
OpenStudy (precal):

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5 years ago
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