SOLUTION: Compute (2i-6)(5+i), where i^2 = -1.
Express your solution in the form of a+bi, where a and b are real numbers.
Thank you!
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Question 1189359: Compute (2i-6)(5+i), where i^2 = -1.
Express your solution in the form of a+bi, where a and b are real numbers.
Thank you!
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Compute (2i-6)(5+i), where i^2 = -1.
Express your solution in the form of a+bi, where a and b are real numbers.
:
rewrite it to
(-6+2i)(5+i)
FOIL
-30 - 6i + 10i + 2i^2
-30 + 4i + 2(-1)
-30 + 4i - 2
(-32 + 4i) is the solution
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