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OpenStudy (anonymous):
What's (-3+2i)(-6-8i) simplified?
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OpenStudy (anonymous):
use the FOIL technique
OpenStudy (anonymous):
(-3+2i)(-6-8i) Use the foil method, but notice that 'i' is an imaginary unit sqrt(-1) so we get 18 +24i-12i +(-16i^2) -16i^2 = 16 because i^2 = -1; -1(-16) = 16 so our final answer is 24+12i
OpenStudy (anonymous):
|dw:1369880775509:dw|
OpenStudy (anonymous):
|dw:1369880813529:dw|
OpenStudy (anonymous):
Sorry! 34+12i NOT 24+12i
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OpenStudy (anonymous):
|dw:1369880836456:dw|
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