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saprykana
@saprykana
August 2022
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а)(2х-1)^2-(3х-2)^2=0
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novruzamirbekov
Verified answer
(2x-1)-(3x-2)=0 4x²-4x+1-9x²+12x-4=0
-5x²+8x-3=0
D=8²-4*-5*-3=4
x₁=-8+√D/-10 =-8+2/-10=0.6
x₂=-8+√D/-10 =-10/-10=1
1 votes
Thanks 2
andrisd
Verified answer
(2x-1)²-(3x-2)²=0
(2x-1+3x-2)(2x-1-3x+2)
(5x-3)(-x+1)=0
5x-3=0
5x=3
x₁=3/5=0.6
-x+1=0
-x=-1
x₂=1
3 votes
Thanks 3
saprykana
что такое Д?
andrisd
D - это дискриминант.
saprykana
ЭТО В 7- КЛАССЕ
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Answers & Comments
Verified answer
(2x-1)-(3x-2)=0 4x²-4x+1-9x²+12x-4=0-5x²+8x-3=0
D=8²-4*-5*-3=4
x₁=-8+√D/-10 =-8+2/-10=0.6
x₂=-8+√D/-10 =-10/-10=1
Verified answer
(2x-1)²-(3x-2)²=0(2x-1+3x-2)(2x-1-3x+2)
(5x-3)(-x+1)=0
5x-3=0
5x=3
x₁=3/5=0.6
-x+1=0
-x=-1
x₂=1