SOLUTION: perform the indicated operation and write the result in standard form: (-2+5i)squared

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Question 161316: perform the indicated operation and write the result in standard form: (-2+5i)squared
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(-2+5i)squared
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= (-2+5i)(-2+5i)
Use FOIL to get:
F: 4
O: -10i
I:-10i
L: -25
------------
Combine to get:
= -21 -20i
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Cheers,
Stan H.