x(x − 3) = x − 9

 

x(x − 3) = x − 9

 

x^2 - 3x = x - 9
x^2 - 3x -x = 9
x^2 - 4x + 9 = 0

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1 Answer

x*(x-3)=x-9

x^2 -3x-x+9=0

x^2 -4x+9=0

zeroes, from quadratik equashun:

x=2+-2.236068 i

b^2 -4ac=-20, take root av negativ number, so get komplex roots
by

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