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1. х2 - 3x = 16 solve quadratic​
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1. х2 - 3x = 16 solve quadratic​

User Rifky
by
7.2k points

1 Answer

4 votes

Answer:


(3+/-i√(55) )/(2)

Explanation:


x^2-3x=16

Subtract 16 from both sides;


x^2-3x-16=0


(-(-3)+/-√((-3^2)-4(-16)) )/(2)=(3+/-√(9-64) )/(2)=(3+/-√(-55) )/(2)=(3+/-√(55i^2) )/(2) =(3+/-i√(55) )/(2)

1. х2 - 3x = 16 solve quadratic​-example-1
User Nothing
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