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01-01-2018
Mathematics

contestada

1. Solve x2-4x+18=0.

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lesliekolleroxrkcf lesliekolleroxrkcf

01-01-2018

x²-4x+18=0

x= 4 ± √(16-4*1*18) / 2

x=4±√(16-72) /2

x= 4 ± √-56 /2

x = 4±2i√14 / 2

x= 2±√14 * i

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22-12-2019

Answer:

The answer is C I just took the test

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