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Tv1nk
@Tv1nk
August 2022
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Реши уравнение: 2x(x−20)2−x2(x−20)=0 (через корни)
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Kixcertborn2
Verified answer
2x(x−20)
²
−x
²
(x−20)=0
x-(x-20)*(2x-40-x)=0
x*(x-20)*(x-40)=0
x=0 x
₁=0
x-20=0 x
₂=20
x-40=0 x
₃=40
4 votes
Thanks 3
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Answers & Comments
Verified answer
2x(x−20)²−x²(x−20)=0x-(x-20)*(2x-40-x)=0
x*(x-20)*(x-40)=0
x=0 x₁=0
x-20=0 x₂=20
x-40=0 x₃=40