SOLUTION: 13. Multiply and simplify: (7+9i)(3+2i). Write the answer in the form a+bi, where a and b are real numbers.

Algebra ->  Equations -> SOLUTION: 13. Multiply and simplify: (7+9i)(3+2i). Write the answer in the form a+bi, where a and b are real numbers.      Log On


   

Question 1136298: 13. Multiply and simplify: (7+9i)(3+2i).
Write the answer in the form a+bi, where a and b are real numbers.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply and simplify: (7+9i)(3+2i).
Write the answer in the form a+bi, where a and b are real numbers.
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I'll do a similar problem:
(4+5i)*(2+7i)
Multiply like any 2 binomials.
= 8 + 28i + 10i + 35i^2
= 8 + 38i + 35i^2
i^2 = -1
= 8 + 38i - 35
= -27 + 38i
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You do this one.
I can check your work if you send it via the TY note.