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Irinuta2000
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Rezolvati in R ecuatia
(x-2)^2=3x-8

Răspuns :

Ctinamaria31xxx
(x-2)^2=3x-8
x^2-4x+4=3x-8
x^2-4x-3x+4+8=0

x^2-7x+12=0
Delta=49-4*12
delta=49-48
delta=1

x1=-b- radical din delta/2a
x1=7-1/2
x1=6/2
x1=3

x2=-b+ radical delta/2a
x2=7+1/2
x2=8/2
x2=4

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