(x^2-2x)^2- 2(x^2 - 2x) - 3= 0. Created by 271076. algebra-ru

(x^2-2x)^2- 2(x^2 - 2x)

August 2022 1 17 Report

(x^2-2x)^2- 2(x^2 - 2x) - 3= 0

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hraky T=x^2-2x
T^2-2t-3=0
D=4+12=16
T1=(2-4)/2=-1
T2=(2+4)/2=3

Теперь подставим Т1
Х^2-2х+1=0
D=4-4=0
X=1

Теперь подставим Т2
Х^2-2х-3=0
D=4+12=16
X1=(2-4)/2=-1
X2=(2+4)/2=3

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alken massoj 07 g obescvechivaet 16 g bromnoj vody opredelite molekulyarnuyu mas

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posle sluchivshegosya anglichane vidyat zvezdya francuzy tridcat shest podsvechnikov

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