andreasawyer1
andreasawyer1 andreasawyer1
  • 23-02-2017
  • Mathematics
contestada

If x2 - 6x + 8 = 0, then x - 4 = 0 or x - 2 = 0.
true
false

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pasha
pasha pasha
  • 23-02-2017
x^2  - 6x+  8 = 0 
D = b^2 - 4ac = 36 - 32 = 4
x1  = (6 + 2)/2 = 8 /2 = 4
x2 = (6 - 2)/2 = 4/2 = 2 

TRUE
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swebber19
swebber19 swebber19
  • 17-10-2018

the correct answer is

TRUE

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