x^2-22|x|+120=0 reshenie. Created by maikochanturia. algebra-ru

x^2-22|x|+120=0 reshenie...

August 2022 1 9 Report

x^2-22|x|+120=0 reshenie

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pigift2p8aoz6 1)x>или =0
x^2-22x+120=0
a=1,b=-22,c=120
k=-11
D=121-120*1
D=1
x1=(22+1)/1
x1=23
x2=(22-1)/1
x2=21
2)x<0
x^2+22x+120=0
a=1,b=22,c=120
k=11
D=121-120*1
D=1
x1=(-22+1)/1
x1=-21
x2=(-21-1)/1
x2=-22
Ответ:x=-22,-21,21,23

0 votes Thanks 1

maikochanturia D1=11 и у вас получаерся 10,12

maikochanturia нужнох1= 11-1\1=10 и х2=11+1=12

pigift2p8aoz6 дискриминант равен 1

pigift2p8aoz6 D1=k^2-ac

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